Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Rare Earth magnets, ceramic magnets, and the type of magnet on your refrigerator
are all
a. | electromagnets | c. | temporary magnets | b. | permanent
magnets |
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2.
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Use Ohm’s Law to calculate the current of a circuit that includes a 2 ohm
resistor and a 24 volt power supply.
a. | 22 Amps | c. | 48 Amps | b. | 12 Amps | d. | 1/12 Amp |
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3.
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Heat transferred from one atom to the next through direct contact is
called
a. | convection | c. | conduction | b. | radiation |
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4.
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Kilometers per hour (km/hour ) represents
a. | average speed | c. | constant speed | b. | average velocity | d. | constant
velocity |
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5.
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A positive charge and a negative charge will
a. | repel | c. | remain unchanged | b. | create a neutral charge | d. | attract |
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6.
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Find the acceleration of the object
above.
a. | 24 m/s/s | c. | 96 m/s/s | b. | 6 m/s/s | d. | 1/6 m/s/s |
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7.
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Which type of charge will a balloon have after rubbing it in a student’s
hair?
a. | negative | c. | neutral | b. | positive |
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8.
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A student pushes a cart down a road with a force of 10 Newton’s, and in
doing so does 500 joules of work. How far did the student push the box?
a. | 5,000 meters | c. | 0.02 meters | b. | 510 meters | d. | 50 meters |
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9.
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Use Ohm’s Law to calculate the resistance of a circuit that includes a 4
amps and a 24 volt power supply.
a. | 96 Ohms | c. | 6 Ohms | b. | 20 Ohms | d. | 1/6 Ohms |
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10.
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A pendulum will stop swinging when
a. | the pressure is greater than the force of the pendulum | c. | the friction of air particles is
greater than the force of the pedulum moving | b. | the inertia is greater than the force of the
pendulum | d. | the gravitational
pull is greater than the force of the moving pendulum |
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11.
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The Law of Conservation of Energy states
a. | energy can be created or destroyed | c. | energy cannot be created or
destroyed | b. | energy cannot be created but can be destroyed | d. | energy can be created but not
destroyed |
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12.
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The product of the mass and velocity
a. | inertia | c. | momentum | b. | friction | d. | force |
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13.
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The graph above shows the distance traveled by a
mouse in a straight line. If the mouse keeps moving at the same speed in a straight line, how
far will the mouse travel in 30 seconds
a. | 10.0 cm | c. | 8 cm | b. | 11.0 cm | d. | 12.0 cm |
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14.
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A man has parked his car after driving 60 miles. He slides under the car
to change the oil, as he reaches up to unscrew the oil plug his hand touches the engine and burns his
hand. This is an example of which type of heat transfer?
a. | convection | c. | conduction | b. | radiation | d. | insulation |
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15.
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Car | Mass (kg) | Force (N) | A | 2 | 20 | B | 4 | 20 | C | 6 | 20 | D | 8 | 20 | | | |
Analyze the table above to determine the car with the MOST
amount of acceleration.
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16.
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Friction maybe defined as the
a. | resisting the motion of solid surfaces, fluid layers,
and/or objects sliding against each other.
| c. | the
tendency of a force to rotate an object about an axis.
| b. | the resistance of any object to a change in its state of motion or
rest.
| d. | influence that causes an object to change in speed, change in direction,
or change in shape.
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17.
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A runner sprints 10 meters in 2 seconds, assuming the sprinter started from a
stand still what is his acceleration at 10 meters?
a. | 2.5 m/s2 | c. | 20 m/s2 | b. | 5 m/s2 | d. | 10
m/s2 |
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18.
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A neutrally charged object will become positive if
a. | protons are removed from the object | c. | electrons are removed from the
object | b. | an equal amount of electrons and protons are added | d. | electrons are added to the
object |
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19.
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A three year old child rolls a bowling ball down a bowling lane, but the ball
comes to a stop before it reaches the bowling pins. The energy was
a. | transferred into heat due to the friction of the surface and the ball | c. | created when the
child released the bowling ball | b. | destroyed once the bowling ball
stopped | d. | destroyed by the
gravitational pull of the Earth |
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20.
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A force that opposes motion between two surfaces that are in contact
a. | inertia | c. | friction | b. | momentum | d. | force |
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21.
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The electromagnetic wave with the shortest
wavelength
a. | radio waves | c. | ultraviolet | b. | microwaves | d. | gamma rays |
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22.
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An athlete can run 20 kilometers in 2 hours. If the athlete runs at that
same average speed for 1 hour, how far will the athlete run.
a. | 20 km | c. | 5 km | b. | 10 km | d. | 40 km |
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23.
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A student pushes her friend on a skateboard with a force of 40 Newton’s
for about 50 meters, Calculate the amount of work.
a. | 10 joules | c. | 2000 joules | b. | 1.25 joules | d. | 0.8 joules |
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24.
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The diagram above represents which type of
wave?
a. | longitudinal | c. | expansion | b. | transverse | d. | compression |
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25.
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A negative charge and a negative charge will
a. | repel | c. | create a neutral charge | b. | remain
unchanged | d. | attract |
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26.
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A rubber ball is dropped from rest from a height of 10 meters above the
ground. The rubber ball free falls and reaches the ground 2 seconds later. What was the
average speed of the rubber ball?
a. | 10 m/s | c. | 5 m/s | b. | 0.2 m/s | d. | 20 m/s |
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27.
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Find the force applied to the object
above.
a. | 2/3 N | c. | 24 N | b. | 1.5 N | d. | 4 N |
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28.
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One force pulls from the left at 10 N, and one
force pulls in the opposite direction at 5 N. What is the net force and in which
direction?
a. | Right, 5 N | c. | Left, 15 N | b. | Left, 5 N | d. | Right, 15 N |
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29.
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A pizza delivery driver applied a constant force
to a car. A graph of the car’s movement is shown above. Which of the following can
best explain the change in velocity at time X?
a. | The car began traveling up a hill | c. | The car began to drive on a curved
road | b. | The car changed from a rough road to a smooth road with less
friction | d. | The car’s
momentum became greater than its inertia |
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30.
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Given: distance = 20 meters, time = 2 seconds. Find average speed.
a. | 2 m/s | c. | 0.1 m/s | b. | 10 m/s | d. | 40 m/s |
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31.
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A student helps his mother bring groceries into the house from the car, if the
student does 500 joules of work in 4 seconds, how much power did the student use?
a. | 2000 watts | c. | 0.008 watts | b. | 125 watts | d. | 504 watts |
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32.
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If your clothes have a greater amount of protons than electrons your
clothes are considered
a. | positive | c. | negative | b. | neutral |
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33.
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Which color of the visible light spectrum has the longest
wavelength?
a. | red | d. | green | b. | orange | e. | blue | c. | yellow | f. | violet |
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34.
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Use the graph above to find the deceleration of an
object.
a. | 10.33 m/s2 | c. | 6.67 m/s2 | b. | 8.33 m/s2 | d. | 12.67
m/s2 |
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35.
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The current is least at which point in the
circuit?
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36.
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Which of the following examples defies the Law of Conservation of Energy?
a. | A ball rolling on a flat surface and then coming to a stop | c. | A ball bounces,
each bounces is rebounds with less height than the previous | b. | A ball increases
speed as it rolls down hill, but eventually comes to a stop | d. | A ball rolls down and up a “U”
shaped valley never stopping because of the force of gravity when it goes down
hill |
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37.
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Four different students, student A, B,C, and
D, pull from four different directions. Which student will end up pulling the blue square in
their direction?
a. | Student A | c. | Student C | b. | Student B | d. | Student D |
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38.
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A train slows down from 10 m/s to 4 m/s in 2 seconds, find the
deceleration.
a. | -4 m/s2 | c. | -3 m/s2 | b. | -2 m/s2 | d. | -5
m/s2 |
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39.
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A sprinter finished his 100 meter race in 10 seconds, find his average speed for
the race.
a. | 10 m/s | c. | 1000 m/s | b. | 100 m/s | d. | 0.10 m/s |
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40.
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Which values are necessary to find velocity?
a. | elapsed time, distance, and direction | c. | initial time, ending time,
distance | b. | elapsed time and distance | d. | initial time, direction, and distance |
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41.
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Given: distance = 100 meters, average speed = 20 m/s. Find time.
a. | 100 seconds | c. | 20 seconds | b. | 5 seconds | d. | 200 seconds |
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42.
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When two forces act in the same direction the net force is
a. | the sum of the forces | c. | multiplied by the two forces | b. | the difference of
the two forces | d. | divided by
the two forces |
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43.
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The result of distance divided by time (d/t = ?) is
a. | variable speed | c. | average speed | b. | constant speed | d. | average
velocity |
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44.
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Find the force applied to the object
above.
a. | 1/10 N | c. | 40 N | b. | 20 N | d. | 10 N |
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45.
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Submarines bounce sound waves off the bottom of the ocean to navigate and search
for enemy submarines. This system is called
a. | Doppler | c. | sonar | b. | radar | d. | acoustic finder |
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46.
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The diagram above is an example of which type of
circuit?
a. | parallel | c. | series and parallel | b. | series |
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47.
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Acceleration can be describe as a
a. | change in direction | c. | change in speed | b. | change in velocity and
time |
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48.
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Which distance-time graph above shows that an
object moved at a constant speed and then stopped moving?
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49.
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The particles in this type of wave will
vibrate
a. | horizontal and vertical | c. | in a circular
manner | b. | vertical, perpendicular to the direction of the wave | d. | horizontal to the direction of the
wave |
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50.
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Which of the following examples represents the least amount of potential
energy?
a. | A basketball stuck on the rim | c. | A flyball falling down to an
outfielder’s glove | b. | An apple on a tree branch | d. | A rollercoaster at the top of the
tracks |
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51.
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A baseball pitcher throws a fastball that moves from 0 mph to 80 mph in 2
seconds, find the acceleration.
a. | 50 mph/s | c. | 60 mph/s | b. | 40 mph/s | d. | 70 mph/s |
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52.
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Which of the following represents the velocity of a moving car?
a. | 50 m/s | c. | 50 | b. | 50 m/s, in a southern
direction | d. | 50 m, in a
southern direction |
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53.
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A truck travels 90 km/hr in a northwest direction, the variables will describe
the truck’s
a. | average velocity | c. | deceleration | b. | average speed | d. | acceleration |
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54.
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An object exerts 25 Newton’s onto the
surface of a table, how much Force is exerted upward by the table?
a. | 0 N | c. | 25 N | b. | 20 N | d. | Not enough
information |
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55.
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The bubbles you see in a boiling pot of water are an example of which type of
heat transfer?
a. | convection | c. | radiation | b. | conduction |
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56.
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Identify the point at which the greatest
amount of potential energy exists.
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57.
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Find the mass of the object above.
a. | 50 kg | c. | 2 kg | b. | 1/2 kg | d. | 10 kg |
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58.
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A car accelerates from 0 to 25 miles per hour in 10 seconds. What is the
rate of acceleration?
a. | 1.0 miles/hour/second | c. | 2.5 miles/hour/second | b. | 250
miles/hour/second | d. | 2.0
miles/hour/second |
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59.
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The tendency of an object to resist being moved or change in speed
a. | friction | c. | momentum | b. | force | d. | inertia |
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60.
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According to the Law of Conservation of Energy the
steel bearings in Newton’s Cradle will experience all of the following EXCEPT
a. | Energy is being transformed in the form of heat as the bearings hit each
other | c. | Energy is being created when the bearings are set in motion and destroyed when the
bearings stop | b. | Energy is being transferred into the surrounding air molecules as the air friction
slows the bearings down | d. | The
impact of one bearing will cause one bearing to move in an opposite
direction |
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61.
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The graph above shows the movement of a ball at
several points in time. What is the average speed of the object?
a. | 4 m/min | c. | 0.5 m/min | b. | 50 m/min | d. | 2 m/min |
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62.
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Use the graph above to find the bike’s
acceleration.
a. | 30 m/s/s | c. | 10 m/s/s | b. | 20 m/s/s | d. | 40 m/s/s |
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63.
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These type of waves requires no medium for which to vibrate
a. | sound and light | c. | none of the above | b. | light | d. | sound |
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64.
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Which of the following is a measurement of acceleration?
a. | 10 km/hr/sec | c. | 10 km/hr | b. | 10 km | d. | 10 hr |
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65.
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Find the acceleration of the object
above.
a. | 1/6 m/s/s | c. | 12 m/s/s | b. | 6 m/s/s | d. | 24 m/s/s |
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66.
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Use Ohm’s Law to calculate the volts of a circuit that includes a 3 amps
and a 5 Ohm resistor.
a. | 5/3 Ohms | c. | 3/5 Ohms | b. | 15 Ohms | d. | 8 Ohms |
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67.
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What happens to the polarity of a bar magnet when
it is broken?
a. | The north piece flips polarity and the south remains the same | c. | The north piece
remains the same and the south piece flips polarity | b. | The two new pieces retain the same polarity
despite the two pieces | d. | The
two pieces repel each other at the break |
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68.
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Given: time = 30 seconds, 10 meters/second. Find distance.
a. | 10 meters | c. | 300 meters | b. | 30 meters | d. | 0.3 meters |
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69.
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Copper is used in electric wires because it is a good
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70.
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Sound waves are produced by
a. | mechanical vibrations | c. | water movement | b. | heat radiation | d. | air movement |
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71.
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When you hear a jet airplane flying towards you sound increases, as it travels
away from you sound decreases. This is called the
a. | Doppler effect | c. | Bernoulli effect | b. | Pascal effect | d. | Archimedes
effect |
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72.
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A 10kg, 20 kg, and a 30 kg ball fall in a vacuum
tube from the same height, with no air resistance. Which object(s) will fall the
fastest?
a. | 20 kg | c. | 10 kg | b. | 30 kg | d. | The 10 kg, 20 kg, and 30 kg will fall at the
same rate |
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73.
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Each year scouts compete in soap box derby races. The races consist of a
wooden car with four wheels. The car rolls down hill with out the aide of anything but
gravity. The winners always have well lubricated axles and or bearings. The lubrication
helps prevent __________ which speeds the car up.
a. | torque | c. | momentum | b. | inertia | d. | friction |
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74.
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A rocket takes 20 seconds to slow down from 800 km/hr to 400 km/hr. What
is the rocket’s deceleration?
a. | - 40 km/hr/sec | c. | - 20 km/hr/sec | b. | - 30 km/hr/sec | d. | - 50 km/hr/sec |
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75.
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Which color of the visible light spectrum has the lowest frequency?
a. | red | d. | green | b. | orange | e. | blue | c. | yellow | f. | violet |
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76.
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Batteries collect __________ on the negative terminal of the battery, and flow
from negative to positive.
a. | electrons | c. | neutrons | b. | protons |
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77.
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Car | Mass (kg) | Force (N) | A | 10 | 10 | B | 10 | 20 | C | 10 | 30 | D | 10 | 40 | | | |
Analyze the table above to determine the car with the LEAST
amount of acceleration.
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78.
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Given: final velocity = 200 km/hr, initial velocity = 100 km/hr, and the time
interval = 10 seconds. Find acceleration.
a. | 10 km/hr/sec | c. | 40 km/hr/sec | b. | 20 km/hr/sec | d. | 30 km/hr/sec |
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79.
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A scuba diver shines his upward toward the surface of the lake, as the light
travels from water to air the speed
a. | decreases | c. | stays the same | b. | increases |
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80.
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Electromagnetic waves move as
a. | particles and waves | c. | waves | b. | neither | d. | particles |
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81.
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Find the force applied to the object
above.
a. | 2.5 N | c. | 10 N | b. | 2/5 N | d. | 2 N |
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82.
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In order to increase the amount of energy in a wave you have to
a. | increase amplitude and decrease wavelength | c. | decrease amplitude and increase
wavelength | b. | decrease amplitude and decrease wavelength | d. | increase amplitude and increase
wavelength |
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83.
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Electromagnets are created by wrapping wire around a metal rod and then applying
electricity to the wire. The greater the voltage applied to the wire the
a. | the colder the wire gets | c. | weaker the
electromagnet | b. | the hotter the wire gets and there is no change in the magnetic
force | d. | stronger the
electromagnet |
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84.
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Determine the resulting force and direction for
the diagram above.
a. | The object will stay in the same place with 10 N net force | c. | The object will
move left with 10 N of force | b. | The object stays in the same place, 0 N net
force | d. | The object will move
right with 10 N of force |
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85.
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Find the mass of the object above.
a. | 1/4 kg | c. | 4 kg | b. | 8 kg | d. | 16 kg |
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