Final answer:
The rate of change of momentum of a falling body is equal to its weight.
Step-by-step explanation:
The rate of change of momentum of a falling body is equal to its weight. Momentum is equal to mass times velocity, and the weight is the force exerted on an object due to gravity. Since the body is falling freely under gravity, its weight is the force causing a change in momentum.
Learn more about Rate of change of momentum in a falling body