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 has a fulcrum and can be used to lift a weight?

• Pulley
• lever
• screw
• wedge

Which is not a type of simple machines?

• spring
• screw
• pulley
• wedge

Jan is using a screwdriver to insert a screw.  The screwdriver is being used as

• a pulley
• a screw
• a lever
• a wheel and axle

This is an example of what simple machine?

• pulley
• lever
• screw
• inlined plane

This is an example of what simple machine?

• wedge
• screw
• inclined plane
• pulley

The device used to raise a flag up a flag pole is an example of a 

• wheel and axle 
• lever
• inclined plane 
• pulley 

Name this simple machine. 

• Wheel and Axle
• Lever
• Pulley
• Wedge

Which of the following is NOT an example of the simple machine know as a screw?

• lid of a jar

• turning on and off a faucet

• a drill bit

• a screw driver

How can simple machines make work easier?

• by decreasing the force needed to complete the task

• by increasing the friction between the machine and the object

• by adding more work on the object than originally applied

• by removing the force of gravity on the object

Tags

NGSS.MS-PS2-2