Force and Motion

Front

What is force?

Back

A push or pull on an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is gravity?

Back

The force that pulls objects toward the Earth.

Front

What is speed?

Back

The distance an object travels in a certain amount of time.

Front

How do you calculate speed?

Back

Speed = Distance ÷ Time.

Front

What is a balanced force?

Back

Forces that are equal in size and opposite in direction, resulting in no motion.

Front

What is an unbalanced force?

Back

Forces that are not equal, causing an object to move.

Front

What is the effect of friction on motion?

Back

Friction slows down or stops the motion of an object.

Front

What happens to a ball when it is thrown in the air?

Back

It goes up until gravity pulls it back down.