Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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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. | 0.008 watts | c. | 504 watts | b. | 125 watts | d. | 2000 watts |
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2.
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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. | 0.02 meters | c. | 50 meters | b. | 5,000 meters | d. | 510 meters |
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3.
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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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4.
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A force that opposes motion between two surfaces that are in contact
a. | inertia | c. | momentum | b. | force | d. | friction |
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5.
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When two forces act in the same direction the net force is
a. | multiplied by the two forces | c. | the sum of the
forces | b. | divided by the two forces | d. | the difference of the two forces |
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6.
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The tendency of an object to resist being moved or change in speed
a. | inertia | c. | friction | b. | force | d. | momentum |
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7.
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 Find the mass of the object above. a. | 96 m/s/s | c. | 6 m/s/s | b. | 24 m/s/s | d. | 1/6 m/s/s |
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8.
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 Find the force applied to the object
above. a. | 2/5 N | c. | 2.5 N | b. | 10 N | d. | 2 N |
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9.
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 Find the force applied to the object
above. a. | 1.5 N | c. | 24 N | b. | 4 N | d. | 2/3 N |
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10.
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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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11.
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 Find the mass of the object above. a. | 50 kg | c. | 10 kg | b. | 1/2 kg | d. | 2 kg |
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12.
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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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13.
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 Find the mass of the object above. a. | 4 kg | c. | 1/4 kg | b. | 8 kg | d. | 16 kg |
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14.
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Friction maybe defined as the
a. | the resistance of any object to a change in its state of
motion or rest.
| c. | influence that causes an object
to change in speed, change in direction, or change in shape.
| b. | resisting the motion of solid surfaces, fluid layers, and/or objects sliding
against each other.
| d. | the tendency of a force to rotate an object about an
axis.
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15.
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 Find the mass of the object above. a. | 12 m/s/s | c. | 24 m/s/s | b. | 6 m/s/s | d. | 1/6 m/s/s |
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16.
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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. | momentum | c. | torque | b. | friction | d. | inertia |
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17.
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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. | 30 kg | b. | 10 kg | d. | The 10 kg, 20 kg, and 30 kg will fall at the
same rate |
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18.
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 Determine the resulting force and direction for the
diagram above. a. | The object stays in the same place, 0 N net force | c. | The object will move left with 10 N
of force | b. | The object will move right with 10 N of force | d. | The object will stay in the same place with 10
N net force |
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19.
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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. | 2000 joules | c. | 1.25 joules | b. | 10 joules | d. | 0.8 joules |
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20.
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A push or pull exerted on an object
a. | force | c. | momentum | b. | friction | d. | inertia |
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21.
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 Find the force applied to the object
above. a. | 40 N | c. | 20 N | b. | 10 N | d. | 1/10 N |
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22.
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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. | 25 N | c. | 20 N | b. | Not enough information | d. | 0 N |
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23.
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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. | Left, 5 N | c. | Right, 5 N | b. | Right, 15 N | d. | Left, 15 N |
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24.
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The product of the mass and velocity
a. | friction | c. | momentum | b. | inertia | d. | force |
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