Inertia: Newtons first Law

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

What does Newton's First Law state?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

Front

How does mass affect inertia?

Back

The greater the mass of an object, the greater its inertia.

Front

What is a force?

Back

A force is any push or pull acting on an object.

Front

What is friction?

Back

Friction is a force that opposes motion between any surfaces that are touching.

Front

Give an example of inertia in everyday life.

Back

Slamming on the brakes in your car and flying forward is an example of inertia.

Front

What is the relationship between force and mass in Newton's Second Law?

Back

Force equals mass times acceleration (F = ma).

Front

Why does a bowling ball require more force to throw than a tennis ball?

Back

The bowling ball has a greater mass, which requires more force to achieve the same acceleration.

Front

What happens to an object in motion if no external forces act on it?

Back

It will continue to move at a constant velocity.

Front

What is the effect of friction on motion?

Back

Friction slows down or stops the motion of an object.