Contact and Non Contact Forces

Front

What are contact forces?

Back

Contact forces are forces that occur when two objects touch each other.

Front

What are non-contact forces?

Back

Non-contact forces are forces that act on an object without physical contact, such as gravitational force and magnetic force.

Front

What three metals attract magnets?

Back

Iron, cobalt, and nickel.

Front

What is magnetism?

Back

Magnetism is the force exerted by magnets when they attract or repel each other.

Front

What is friction?

Back

Friction is a contact force that opposes the motion of an object.

Front

What is a conductor?

Back

A conductor is a material that allows electricity to flow through it.

Front

What is an insulator?

Back

An insulator is a material that does not allow electricity to flow through it.

Front

Give an example of a contact force.

Back

An example of a contact force is pushing a door open.

Front

Give an example of a non-contact force.

Back

An example of a non-contact force is the gravitational pull of the Earth.

Front

What happens when two magnets are brought close together?

Back

They can either attract or repel each other depending on their poles.