a. An object that is free-falling is acted upon by the force of gravity alone. b. A falling skydiver which has reached terminal velocity is considered to be in a state offree fall. c. A ball is thrown upwards and is rising towards its peak. As it rises upwards, it is NOT considered to be in a state offree fall d. An object in free fall experiences an acceleration which is independent of the mass of the object. e. A ball is thrown upwards, rises to its peak and eventually falls back to the original height. As the ball rises, its acceleration is upwards; as it falls, its acceleration is downwards. f. A ball is thrown upwards, rises to its peak and eventually falls back to the original height. The speed at which it is launched equals the speed at which it lands. (Assume negligible air resistance.) g. A very massive object will free fall at the same rate of acceleration as a less massive object.

a. An object that is free-falling is acted upon by the force of gravity alone. b. A falling skydiver which has reached terminal velocity is considered to be in a state offree fall. c. A ball is thrown upwards and is rising towards its peak. As it rises upwards, it is NOT considered to be in a state offree fall d. An object in free fall experiences an acceleration which is independent of the mass of the object. e. A ball is thrown upwards, rises to its peak and eventually falls back to the original height. As the ball rises, its acceleration is upwards; as it falls, its acceleration is downwards. f. A ball is thrown upwards, rises to its peak and eventually falls back to the original height. The speed at which it is launched equals the speed at which it lands. (Assume negligible air resistance.) g. A very massive object will free fall at the same rate of acceleration as a less massive object.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter4: The Laws Of Motion

Section: Chapter Questions

Problem 10P

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Question

a. An object that is free-falling is acted upon by the force of gravity alone.
b. A falling skydiver which has reached terminal velocity is considered to be in a state offree fall.
c. A ball is thrown upwards and is rising towards its peak. As it rises upwards, it is NOT considered to be
in a state offree fall
d. An object in free fall experiences an acceleration which is independent of the mass of the object.
e. A ball is thrown upwards, rises to its peak and eventually falls back to the original height. As the ball
rises, its acceleration is upwards; as it falls, its acceleration is downwards.
f. A ball is thrown upwards, rises to its peak and eventually falls back to the original height. The speed at
which it is launched equals the speed at which it lands. (Assume negligible air resistance.)
g. A very massive object will free fall at the same rate of acceleration as a less massive object.

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