Force and Motion

Front

What is a force?

Back

A force is any push or pull on an object.

Front

What is gravity?

Back

Gravity is a force that attracts things to Earth.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces in contact.

Front

Which object has the most friction: gravel, ice, wax paper, or classroom floor?

Back

Gravel has the most friction.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What happens to an object at rest when a force is applied?

Back

It may start to move if the force is strong enough to overcome static friction.

Front

What is the relationship between mass and force?

Back

More mass means more force is needed to move an object.

Front

What is motion?

Back

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

Front

What is an example of a push?

Back

Shooting a basket is an example of a push.

Front

What is an example of a pull?

Back

Pulling a wagon is an example of a pull.