Forces and Friction

Front

What is the force of gravity acting on an object called?

Back

Weight

Front

What does friction produce when two surfaces rub against each other?

Back

Heat

Front

In which direction does friction act relative to a moving object?

Back

Opposite

Front

What are the two factors affecting the magnitude of the force of gravity between two objects?

Back

Mass and Distance

Front

Which of the following does not change in different gravitational fields: weight, force, mass, or pounds?

Back

Mass

Front

What is the definition of mass?

Back

The amount of matter in an object, measured in kilograms.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass.

Front

What happens to the force of gravity if the distance between two objects increases?

Back

The force of gravity decreases.

Front

What is terminal velocity?

Back

The constant speed an object reaches when the force of gravity is balanced by air resistance.