how does the force of friction for a sliding object vary with speed?
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What happens to the frictional force on the sliding object when speed is varied?
Which one of the following statement is correct.
A) Rolling friction is greater than sliding friction
B) Rolling friction is less than sliding friction
C) Rolling friction is equal to sliding friction
D) Rolling friction and sliding friction are same
A 50.0 N box sliding on a rough horizontal floor, and the onlyhorizontal force acting on it is friction. You observe that at oneinstant the box is sliding to the right at 1.75 m/s and that is stopsin 2.25 s with uniform acceleration. The force that friction exerts onthis box is closest to: