Forces & Inertia

Front

What type of force must act on an object for it to CHANGE its motion?

Back

Unbalanced force

Front

True or False: Friction is a force that slows down or stops motion when two objects are in contact and rub together.

Back

True

Front

What is kinetic energy?

Back

The energy of motion

Front

What type of force must act on an object in motion for it to stop moving?

Back

Unbalanced force

Front

True or False: A force always has a direction.

Back

True

Front

What is inertia?

Back

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

Front

What is the relationship between mass and inertia?

Back

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

Front

What is a balanced force?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What happens to an object at rest when an unbalanced force acts on it?

Back

It will start to move in the direction of the unbalanced force.

Front

What is gravitational force?

Back

The force of attraction between two masses.