True/False
Indicate whether the sentence or statement is true
or false.
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| 1. | Repeated trials are needed in this lab to account for launch errors.
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| 2. | Carbon paper allows the ball bearing to make an imprint on the recording paper when it
lands.
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| 3. | In
this lab the force of launch is related to distance achieved.
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 4. | Which
of the following is an example of exerting a force? a. | a child running
through a field | c. | a carpenter
hammering a nail | b. | a train speeding down a track | d. | an airplane soaring through the sky | | | | |
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| 5. | The
tendency of an object to resist change in its motion is known as ... a. | mass. | b. | inertia. | c. | force. | d. | balance. | | | | | | | | |
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| 6. | Force
equals mass times ... a. | speed. | b. | motion. | c. | acceleration. | d. | inertia. | | | | | | | | |
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| 7. | An
object that travels from one point in space to another is called a ... a. | projectile. | b. | inertia. | c. | mass. | d. | satellite. | | | | | | | | |
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| 8. | The
best angle of trajectory for achieving the greatest distance is ... a. | 35
degrees | c. | 45
degrees | b. | 65 degrees | d. | 55 degrees | | | | |
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| 9. | Which
of the following are independent variables? a. | projectile mass | c. | surface of the target area | b. | force used to
launch the ball bearing | d. | all of the
above | | | | |
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| 10. | What
forces act on a projectile in flight? a. | sunlight | b. | gravity | c. | launch angle | d. | mass | | | | | | | | |
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