Inertia

Front

What is inertia?

Back

Inertia is the tendency of an object to resist a change in its motion. It is directly related to the mass of the object.

Front

Which has more inertia: a small car or a large truck?

Back

A large truck has more inertia than a small car because it has more mass.

Front

What is the unit of measurement for force?

Back

The unit of measurement for force is Newtons.

Front

What is friction?

Back

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

Front

How does mass affect inertia?

Back

The greater the mass of an object, the greater its inertia, meaning it will resist changes to its motion more.

Front

What happens to a moving skateboard when no forces act on it?

Back

If no forces act on it, the skateboard will continue to move at a constant velocity due to inertia.

Front

What is an unbalanced force?

Back

An unbalanced force is a force that causes an object to change its state of motion, such as starting, stopping, or changing direction.

Front

Why does a skateboard eventually stop when rolling on a flat surface?

Back

The skateboard stops due to the unbalanced force of friction acting against its motion.

Front

What is the relationship between inertia and motion?

Back

Inertia is the property that keeps an object in its current state of motion unless acted upon by an external force.

Front

Can an object with no mass have inertia?

Back

No, only objects with mass have inertia; mass is a measure of an object's resistance to changes in motion.