Newton's First Law

Front

What is Newton's First Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Front

What is inertia?

Back

The tendency of an object to resist a change in its state of motion.

Front

True or False: An object with more mass has more inertia.

Back

True

Front

What happens to a hockey puck sliding on a frictionless surface?

Back

It will continue to slide indefinitely unless acted upon by an unbalanced force.

Front

If an object is not moving, what can we say about the forces acting on it?

Back

The forces are balanced.

Front

What kind of objects have inertia?

Back

All objects with mass.

Front

What is the unit of force?

Back

Newton.

Front

What is an example of an unbalanced force?

Back

A push or pull that causes an object to accelerate, like kicking a soccer ball.

Front

What does it mean for forces to be balanced?

Back

The total force acting on an object is zero, resulting in no change in motion.

Front

If a car is moving at a constant speed in a straight line, what can we say about the forces acting on it?

Back

The forces are balanced.