Q1. A 400 kg truck is moving with a velocity of 40km/h. it is stopped 25 m beyond the point at which the brakes are applied. Find the retarding force?
Q2. A swimming pool has dimensions 32 m 11 m and a flat bottom. When the pool is filled to a depth of 2.10m with fresh water, what is the force caused by the water on the end that is 11m.