179k views
3 votes
you push a heavy a crate and at first it doesnt move, you push harder and it starts to move but you still need to exert some force to keep it moving at a constant velocity, why

User DOxxx
by
8.4k points

1 Answer

6 votes
Because the force of gravity is pulling down on the object.
User Bakamike
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8.7k points
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