Question

A block of mass Mis pulled along a horirontal surface by applying a force at an angle dwith
horizontal. Coefficient of friction between block and surface is j. I the block travels with
uniform velocity find the work done by this applied force during a displacemented on the
block​

Answer 1

Answer:

F cos theta = u (Mg - F sin theta)

F = uMg/(cos theta + u sin theta)

W = Fd cos theta

=uMgd cos theta/(cos theta + u sin theta)

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