Forces and Motion Unit Review

Front

A force that brings an object closer is a _________.

Back

Pull

Front

Which law of motion states that a car stops suddenly and passengers are thrown forward until they are caught by their seatbelts?

Back

1st law - Law of Inertia

Front

_____ is the force that slows and stops motion between touching objects.

Back

Friction

Front

What causes objects to move?

Back

Unbalanced forces

Front

Speed is how fast an object is moving while velocity is __________.

Back

speed with a direction

Front

What is the term for the resistance that one surface or object encounters when moving over another?

Back

Friction

Front

What is the term for the tendency of an object to resist changes in its state of motion?

Back

Inertia

Front

What is the relationship between mass and acceleration in Newton's second law of motion?

Back

Force = Mass x Acceleration

Front

What is the force that attracts objects toward the center of the Earth?

Back

Gravity

Front

What type of forces are equal in size and opposite in direction?

Back

Balanced forces