We apply a force of 200 Newtons wooden Box and push it on the floor at constant velocity. The margin

Q. We apply a force of 200 Newtons wooden Box and push it on the floor at constant velocity. The marginal friction force will be:
Answer: 200 Newtons
Notes: When an object moves at constant velocity, friction exactly balances applied force. Here, frictional force equals the applied force, 200 N.

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