1.

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

Answer» Force applied, `P=200N`, force of friction, `F=?`
As the wooden cabinet is to move across the floor with a constant velocity, no force `(f)` is spent in accelerating the cabinet, i.e., `f=P-F= 0` or `F=P = 200N`


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