simple machine quizz

In which of these cases is work being done?

• A student sleeps

• A student pushes a locked door that does not move

• A student carries his chair into another room

• A student sits on the carpet

You push against the back of your friends car that is stuck. You push and be become very tired, but the car does not move. Did you do work?

• Yes, work was done

• No, work wasn't done

Which is a characteristic of a simple machine?

• They run on electricity.

• They take a long time to make.

• They have few or no moving parts.

• They are not very large.

Which is an example of someone using a simple machine to do work?

• a boy runs across a football field

• a banker counts money

• a mother pushes a stroller up a ramp

• a girl eats a sandwich

What type of simple machine is found on the cap of a pickle jar?

• a

  lever

• inclined plane

• pulley

• screw

Which is not a type of simple machine?

• spring

• screw

• pulley

• wedge

Which type of simple machine would be found on the bottom of a wagon??

• a pulley

• a screw

• a wedge

• a wheel and axle

What type of simple machine has a ramp that makes it easier for a heavy object to be moved up or down?

• lever

• pulley

• inclined plane

• wedge

This picture shows an example of what type simple machine?

• pulley

• wedge

• lever

• wheel and axle

.

A seesaw is an example of what type of simple machine?

• wheel and axle

• lever

• wedge

• pulley