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Answer on Mechanics | Relativity Question for nicole

Question #15706
The force of friction acting on a sliding crate is 144N. How much force must be applied to maintain a constant velocity? (N)
What will be the nest force acting on the crate? (N)
Expert's answer
According to first Newton’s law, if velocity is constant, the equally effective force is zero.
From this follows: applied force is 144N.
The nest force acting on the crate will be zero.

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