Force & Motion Flashcard (6.7ABC)

Front

What is the support force exerted upon an object that is in contact with another stable object?

Back

Normal Force

Front

Which of the following is an example of a contact force?

Back

Friction

Front

How do you calculate the net force when two forces act in the same direction?

Back

Add the forces

Front

If a person pushes a box with a force of 20 N to the right, and friction exerts a force of 15 N to the left, what is the net force on the box?

Back

5 N to the right

Front

Why does a hockey puck eventually stop when slid on ice?

Back

Friction

Front

What is the force that pulls objects toward the Earth?

Back

Gravity

Front

What is the term for the force that opposes the motion of an object sliding over a surface?

Back

Friction

Front

What happens to the net force when two forces of equal magnitude act in opposite directions?

Back

The net force is zero.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N)

Front

What is the effect of increasing the mass of an object on its gravitational force?

Back

The gravitational force increases.