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On Earth, when a body is in motion, there is always __________ to oppose the motion. a. friction c. gravity b. inertia d. acceleration Please select the best answer from the choices provided

User Hazy
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Answer:

A. friction

Step-by-step explanation:

User Vixez
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a. Friction

When a body is in motion given Newtons first law it will move in straight line with constant velocity unless acted on by a nonzero net force. Friction is most often this force.

User Adewole Kayode
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