Contact and Noncontact forces

Front

What is a contact force?

Back

A contact force is a force that occurs when two objects are physically touching each other.

Front

What is a non-contact force?

Back

A non-contact force is a force that acts on an object without physical contact, such as gravity or magnetism.

Front

What is an example of a contact force?

Back

Friction is an example of a contact force, as it occurs when two surfaces rub against each other.

Front

What is an example of a non-contact force?

Back

Gravity is an example of a non-contact force, as it pulls objects toward each other without touching.

Front

What type of force is friction?

Back

Friction is a contact force.

Front

What type of force is gravity?

Back

Gravity is a non-contact force.

Front

What happens when two people pull on a rope?

Back

The force between the two people through the rope is a contact pull.

Front

Can non-contact forces act over a distance?

Back

Yes, non-contact forces can act over a distance without the objects touching.

Front

What is the difference between contact and non-contact forces?

Back

Contact forces require physical touch, while non-contact forces do not.

Front

Is a push from a person considered a contact force?

Back

Yes, a push from a person is considered a contact force.