Balanced and Unbalanced Forces

Front

The tendency of an object at rest to stay at rest unless acted upon by a force is called _____________.

Back

Inertia

Front

A ____________ is a push or a pull on an object.

Back

Force

Front

When skateboarding down a ramp, are the forces balanced or unbalanced?

Back

Unbalanced

Front

Which of the following is NOT a characteristic of a balanced force? (no change in motion, moving at a constant speed, net force of zero, causes a change in motion)

Back

Causes a change in motion

Front

True or False: A balanced force is only an object that is not moving.

Back

False

Front

What is the net force when two equal forces act in opposite directions?

Back

Zero

Front

What happens to an object when the forces acting on it are unbalanced?

Back

It accelerates in the direction of the net force.

Front

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

Back

Friction

Front

If a car is moving at a constant speed in a straight line, what type of forces are acting on it?

Back

Balanced forces

Front

What is the effect of gravity on an object in free fall?

Back

It accelerates downward due to the force of gravity.