Forces

Front

What is a force?

Back

A force is a push or pull that can change the motion of an object.

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, like iron, and is produced by magnets.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward each other, such as the Earth pulling us down.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.

Front

What is a noncontact force?

Back

A noncontact force is a force that can act on an object without touching it, like gravity or magnetism.

Front

What is a contact force?

Back

A contact force is a force that acts on an object through direct contact, like pushing or pulling.

Front

What is the difference between push and pull?

Back

A push moves an object away from you, while a pull brings it closer to you.

Front

What is an example of a noncontact force?

Back

Gravity is an example of a noncontact force.

Front

What is an example of a contact force?

Back

Friction is an example of a contact force.

Front

How does friction affect motion?

Back

Friction slows down or stops the motion of an object.