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Due to the force of inertia, a moving car will not stop unless:

A. Another force acts on it
B. It exhausts its potential energy
C. Its mass is great enough

User Michael WS
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The answer is: A. Another force acts on it, because if it's moving upwards, that's an acting force. If it collides with something else, that's a force acting on it. It can never be able to exhaust its potential energy, and no matter the mass, an object will keep moving unless some force acts on it.
Answer: A

User Xonshiz
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