Question

14.
A small block of mass Tugis kept on a rough inclined wedge is ricuration 49 fred
in a elevator. The elevator goes up with a uniform velocity v=2m and the block
does not shde on the wedge Calculate the work done, in joule by the force of fnction
on the block in 18 8 xs. Find n = 2 Take g = 10 msa​

Answer 1

W

f

=fsinθS

=(mgsinθ)(sinθ)(vt)

=mgsin

2

θvt