Physics Quiz on Forces, Friction, Energy, and Simple Machines

Is friction important to cars? Why?

Which forms of energy is/are produced by a candle?

Which of the following are forms of energy?

• Heat

• Light

• Shadow

• Atom

• Electrical

The following can reduce friction EXCEPT __________.

• grease

• oil

• sand

• water

Which form of energy does a moving object possess?

• light energy

• chemical energy

• sound energy

• mechanical energy

Which form of energy is stored in medicines?

• light

• sound energy

• chemical energy

• electrical energy

A form of energy that moving bodies possess.

• heat

• sound energy

• electrical energy

• mechanical energy

What happens to the string when you pluck a guitar?

• It vibrates.

• It produces light.

• It produces heat.

• It produces electricity.

Which surface creates more friction?

• magnetic surface

• slippery surface

• rough surface

• shiny surface

Which form of energy is the main source of light on earth?

• Fire energy

• Light energy

• Sound energy

• Electrical energy