Force & Motion Vocab

Front

What are forces that produce a nonzero net force, which changes an object's motion?

Back

Unbalanced forces.

Front

What type of friction occurs when an object rolls over a surface?

Back

Rolling friction.

Front

What do we call equal forces acting on an object in opposite directions?

Back

Balanced forces.

Front

What is the rate at which velocity changes?

Back

Acceleration.

Front

What is the force that one surface exerts on another when the two surfaces rub against each other?

Back

Friction.

Front

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

Back

Inertia.

Front

What is the measure of how fast an object is moving?

Back

Speed.

Front

What is the term for the distance traveled per unit of time?

Back

Velocity.

Front

What is the force of attraction between two masses?

Back

Gravity.

Front

What is the product of an object's mass and its velocity?

Back

Momentum.