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Using a horizontal force of 200N,we intend to move a wooden cabinet across a floor at constant velocity.What is the friction force that will be exerted on the cabinet?
With explanation please

Answer :

MathPhys

Answer:

-200 N

Explanation:

The cabinet moves at constant velocity, so that means there's no acceleration.

Applying Newton's second law to the cabinet:

∑F = ma

F + 200 = 0

F = -200

The friction force is 200 N in the opposite direction.

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