Answer :
a) Horizontal component of tension force = (cos 30) x 95, = 82.27N.
Work = (82.27 x 20) = 1,645.4 joules.
b) (20 x 95) = 1,900 joules.
Work = (82.27 x 20) = 1,645.4 joules.
b) (20 x 95) = 1,900 joules.