Intro to Forces + Newton's Laws Video Lessons

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Problem: An object cannot remain at rest unlessa) there are no forces at all acting on it.b) the net force acting on it is zero.c) the net force acting on it is constant.d) there is only one force acting on it.

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Consider Newton's 2nd Law ∑F=ma (the net force on an object is the object's mass times its acceleration).

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Problem Details

An object cannot remain at rest unless

a) there are no forces at all acting on it.

b) the net force acting on it is zero.

c) the net force acting on it is constant.

d) there is only one force acting on it.

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