Force and Motion

Front

What does gravity do to a ball thrown into the air?

Back

Gravity causes the ball to change direction and come back down.

Front

What natural force pulls all objects towards the center of the Earth?

Back

Gravity pulls all objects towards the center of the Earth.

Front

What is the path a moving object follows called?

Back

The path a moving object follows is called direction.

Front

What happens to the direction of a ball when it is hit back and forth in tennis?

Back

The ball changes direction each time it is hit.

Front

What can make a car stop moving on a level street?

Back

A force that pushes opposite to the direction the car is moving can make it stop.

Front

What is force?

Back

Force is a push or pull that can change the motion of an object.

Front

What is motion?

Back

Motion is the change in position of an object over time.

Front

What is inertia?

Back

Inertia is the tendency of an object to stay at rest or keep moving unless acted upon by a force.

Front

What is an example of a force?

Back

An example of a force is a person pushing a shopping cart.

Front

What happens to an object in motion if no forces act on it?

Back

If no forces act on it, the object will continue moving in a straight line at a constant speed.