As an object moves faster through the air, its terminal speed increases.
a. True
b. False
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[Ques. 2] When an object reaches its terminal speed, its acceleration is zero.
a. True
b. False
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[Ques. 3] As a projectile moves its speed stays constant while its direction changes.
a. True
b. False
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[Ques. 4] At the peak of its motion, the acceleration of a projectile is zero.
a. True
b. False
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[Ques. 5] During its entire motion, the acceleration of a projectile is always g.
a. True
b. False
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[Ques. 6] You throw a ball straight up, it peaks out and then comes back down to you. During this motion, the velocity and acceleration always point in the same direction.
a. True
b. False
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[Ques. 7] When a body moves with uniform acceleration, the net force on it is zero.
a. True
b. False
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[Ques. 8] With a fixed force, you will impart the same acceleration to a body on the Earth and on the Moon.
a. True
b. False
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[Ques. 9] You roll a ball off a table and at the same time drop a second ball straight down from the edge of the table. The second ball reaches the ground before the first ball.
a. True
b. False
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[Ques. 10] When a car goes around a curve at twice the speed, the centripetal force on the car doubles.
a. True
b. False
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