The Law of Conservation of Momentum Applies to a Collision

Multiple Choice

The law of conservation of momentum applies to a collision between two bodies since

A) they exert equal and opposite forces on each other.
B) they exert forces on each other respectively proportional to their masses.
C) they exert forces on each other respectively proportional to their velocities.
D) they exert forces on each other respectively inversely proportional to their masses.
E) their accelerations are proportional to their masses.