L = y + x = 0.5m∴ x = L - y= distance moved in the direction of force (which is the weight) when the body is released But cos 60o = y/0.5∴ y = 0.5cos60 = 0.5 x 1/2 = 0.25∴ x = l - y = 0.5 - 0.25 = 0.25mWork done = force x distance moved in the direction of force.= 0.1 x 0.25 = 0.025J
