Compute the impulse experienced if a person of 65 kg lands on firm ground after jumping from a height of around 2.9 m.
Approximate the average force applied on the feet of person by the ground when the landing is stiff-legged. With stiff legs, suppose the body moves 1.0 cm during the impact.
Approximate the average force applied on the feet of person by the ground when the landing is with bent legs. If the legs are bent, suppose that the body moves around 60 cm during the impact.