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AP Physics 1 / Introductory
Dynamics
OS-AP-4-TP7 · OpenStax College Physics for AP Courses 2e
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Newton’s Third Law of Motion: Symmetry in Forces (Problem 7)
Which of the following is true?
A
Earth exerts a force due to gravity on your body, and your body exerts a smaller force on the Earth, because your mass is smaller than the mass of the Earth.
B
The Moon orbits the Earth because the Earth exerts a force on the Moon and the Moon exerts a force equal in magnitude and direction on the Earth.
C
A rocket taking off exerts a force on the Earth equal to the force the Earth exerts on the rocket.
D
An airplane cruising at a constant speed is not affected by gravity.
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