Part A

After the force is removed at $t=1s,$ is the momentum of the plastic cart greater than, less than, or equal to the momentum of the lead cart?

Match the words in the left column to the appropriate blanks in the sentences on the right.

the net force applied, the force action time, and the object's mass

the object's mass and the net force applied

the net force applied and the force action time

independent of

inversly proportional to

directly proportional to

greater than

equal to

lesser than

Because both carts start from rest, the change in momentum of each cart equals its final momentum. According to the momentum principle, the change in momentum of an object equals the impulse, which depends on $$ Because equal forces are exerted over equal times and impulse is

$$ the object's mass, the change in the momentum, as well as the final momentum of the plastic cart is that of the lead cart.