A force of 65N is required to keep a 16kg block sliding across a horizontal surface at a constant speed of 5m/s. What is the coefficient of kinetic friction on the surface?

and a force of 65N is required to keep a 16kg block accelerating at 1.2m/#s^2# across a horizontal surface. What is the coefficient of kinetic friction on the surface?
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1 Answer
SaiGanesh Gotetti
Nov 5, 2016

The coefficient of kinetic friction #f_"k" = 65#.

Explanation:

The motion of a block is on horizontal surface.
So in this case, if the block slides or moves with uniform velocity, the applied force #F=f_"k"#.
As per question it is said the block is sliding at constant speed of 5m/s.
#:. f_"k"= 65#

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