Forces & Motion

Any push or pull

change in speed

something that causes no motion

tendency of an object to resist a change in its motion

no reaction.

an equal and opposite reaction force.

an unequal and opposite reaction force.

a balanced and unbalanced force.

a large truck parked in the side of the street

a softball traveling at 95 miles per hour

a laptop sitting on your desk

1

2

3

1

2

3

it accelerates more.

it doesn't move.

you get more inertia.

it decelerates.

An air freshener hanging from the rear-view mirror of a car hangs still while the car moves forward with a constant acceleration

A carbon dioxide-fueled rocket launches upward into the air as carbon dioxide gas accelerates toward the ground below the rocket

Two balls of different masses are rolled with the same force, resulting in the ball with larger mass stopping faster than the ball with the smaller mass.

All of the above

The cart will speed up.

The cart will slow down.

The cart will move at a constant speed.