Simple Machines

What simple machine can be used to split things apart and also it can hold open a door?

• Lever
• Pulley
• Wedge
• Screw

What simple machine holds things together?

• Wedge
• Screw
• Lever
• Pulley

What simple machine has a wheel with a groove on it that keeps a rope in place?

• pulley
• lever
  lever
• screw
  wedge
• wedge
  screw

What kind of work is made easier by the wheels of this object?

• pushing a heavy load
• lifting a heavy load
• dividing a heavy load
• holding a small load

Tags

NGSS.MS-PS2-2

What is the fixed point where a lever turns or pivots?

• load
• work
• fulcrum
• screw

This picture is an example of a _________.

• pulley
• wedge
• wheel and axle
• screw

This simple machine helps force objects apart.

• wedge
• lever
• pulley
• inclined plane

Which of these is an example of a wedge?

• skateboard
• broom
• stairs
• butter knife

A screw is made up of _________ wrapped around a post or rod.

• treads
• springs
• threads
• strings

Which ramp will require the least amount of force?

• A

• B

• C

• D