Front

What is a measure of the amount of matter in an object?

Back

Mass

Front

What is a push or pull on an object that may change the motion of the object?

Back

Force

Front

What is an object's change in position relative to a reference point?

Back

Motion

Front

What is the force that pulls objects toward each other?

Back

Gravity

Front

Which of the following uses force as a PULL?

Back

Dragging your bag in going to school

Front

What is the term for the speed of an object in a specific direction?

Back

Velocity

Front

What is the force that opposes motion between two surfaces in contact?

Back

Friction

Front

What is the term for the rate at which an object changes its position?

Back

Speed

Front

What is the effect of gravity on objects?

Back

It pulls them toward the center of the Earth.

Front

What is the relationship between force, mass, and acceleration?

Back

F=ma (Force equals mass times acceleration)