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