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 are balanced forces?

Back

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

Front

What are unbalanced forces?

Back

Forces that are not equal and can cause an object to start moving, stop moving, or change direction.

Front

What is friction?

Back

A force that opposes the motion of an object when it comes in contact with another surface.

Front

What happens when two objects pull with the same force?

Back

They will not move at all.

Front

What is gravity?

Back

A force that pulls objects toward each other, such as the Earth pulling objects toward its center.

Front

What is the effect of friction on motion?

Back

Friction slows down or stops the motion of an object.

Front

What is a ramp?

Back

A sloped surface that allows objects to move from a lower to a higher position or vice versa.

Front

What is the purpose of repeating an experiment?

Back

To ensure accuracy and reliability of the results.