Simple Machines

Which is not a type of simple machine?

• spring

• screw

• pulley

• wedge

work is...

• energy from the sun

• a type of machine

• a force that moves an object

• a force that pulls you toward the earh

Tags

NGSS.MS-PS2-4

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

• lever

• inclined plane

• pulley

• screw

What type of simple machine is found on the floor of a bathtub?

• screw

• inclined plane

• wedge

• pulley

Which of these is not an example of an inclined plane?

• ladder

• stairs

• wall

• driveway

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

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

• a pulley

• a screw

• a wedge

• a wheel and axle

A boy uses this simple machine to lift a load. How does this machine help the boy to do work?

• by changing the direction

• by reducing total work

• by decreasing distance

• by reducing effort

Which ramp will require the least amount of force?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-2