Question

multiple choice question what causes the total (net) momentum of a group of objects to change? the breakup of an object into many pieces collisions between the objects the action of an outside force need help? review these concept resources. read about the concept

Explanation:

According to the law of conservation of momentum, the total momentum of a closed - system (no external forces acting) is conserved. An outside force can change the total (net) momentum of a group of objects. Breakup of an object into pieces and collisions between objects within a closed - system do not change the total momentum.

Answer:

The action of an outside force