A force 50√3N applied to a crate at 30° to the horizontal to horizontal surface is used to drag the crate through a distance of 7m along the surface. If the work done in dragging the crate is 175J, the frictional force between the crate and the floor is
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Answer:
frictional force (f)=50N
Explanation:
W=F.ds
175=[50√3cos(30)-f]×7
75-f=25
f=50N
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