Forces (Contact & Non-Contact)

A car braking is an exmaple of what type of force?

• Gravity

• Air resistance

• Friction

• Magnetism

Forces are measured in

• Micrometers

• Newton Metres

• Joules

• Centimetres

Is magnetism contact or non-contact?

• Non-Contact

• Contact

What is the name of the force that pulls you to the earth?

• Magnetism

• Friction

• Gravity

• Electrostatic

Rubbing a balloon on your head causes charge to build up on the balloon The balloon can then "stick" to the wall - what force is acting here?

• Gravity

• Electrostatic

• Friction

• Magnetism

Is an electrostatic force contact or non-contact?

• Non-contact

• Contact

Two objects rub together, heat is generated - what force is acting here?

• Magnetism

• Gravity

• Friction

• Air resistance

A sky diver jumps out of his plane.

He deploys his parachute and immediately begins to slow down.

What force is responsible for this?

• Gravity

• Air resistance

• Friction

• Magnetism

What is the name of the force responsible for keeping a book on the desk?

• Gravity

• Air resistance

• Normal contact

• Magnetism

Is tension a contact or a non contact force?

• Contact

• Non-contact