Get premium membership and access revision papers with marking schemes, video lessons and live classes.
  OR
Processing. Please wait.

 Form 3 Physics Newton's laws of motion questions and answers

A box of mass 50 kg is dragged on a horizontal floor by means of a rope tied to its front. If the coefficient of kinetic friction between the floor and the box is 0.30, what is the force required to move the box at uniform speed?

 (1m 55s)
1142 Views     SHARE

Answer Text:
Ff = μFn
Fn= weight = #50times10# = 500 N
Ff = #0.30 times500 = 150 #N


|