You push a heavy crate. At first it doesn't move. You push harder, and it finally starts to move, but you still have to exert some force to keep it moving at a constant velocity. Explain.

Question

Simba

Physics

23 December, 06:42

You push a heavy crate. At first it doesn't move. You push harder, and it finally starts to move, but you still have to exert some force to keep it moving at a constant velocity. Explain.

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Answers (2)

Know the Answer?

Asher Morris · Answer 1

They are asking me the same question

Karter · Answer 2

Because, if something is 40N and you push it with 10N, you aren't following the laws of physics. You must exert an equal or greater force on the object. You have to keep this up because you must keep it the same amount if it is going at a constant.