Simple Machines

Picture 5 shows a lid being twisted on to a jar. This is an example of what type of machine?

• screw
• lever
• inclined plane
• wheel and axle

Which is not a type of simple machine?

• spring
• screw
• pulley
• wedge

How can an incline plane reduce the amount of force required to lift an object?

• increase the length of the ramp
• increase the height of the ramp
• decrease the length of the ramp

Tags

NGSS.MS-ETS1-1

This device

• wedge
• lever
• incline plane
• wheel and axle

How could I reduce the effort force needed to lift the load?

• move the fulcrum away from the load
• move the fulcrum closer to the load
• place the fulcrum in the middle

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

What do you call a machine made up of two or more simple machines?

• complicated machine
• compound or complex machine
• comprehensive machine
• constructive machine

Which of the following is NOT an example of a compound machine?

• scissors
• fishing pole
• ramp

What is this an example of?

• wheel and axle
• lever
• pulley
• screw

What is this an example of?

• wheel and axle
• lever
• inclined plane
• pulley

What is this an example of?

• pulley
• lever
• inclined plane
• wheel and axle