Simple machine and Work

____ is done when a force is applied over a distance.

• energy
• work
• force

A fishing pole is an example of a compound machine. What simple machines are used to make up this compound machine?

• lever, wheel and axle, pulley
• wheel and axle, inclined plane, pulley
• wheel and axle, pulley, inclined plane

Stairs

• wedge
• pulley
• inclined plane
• wheel and axle

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS2-2

This device

• wedge
• lever
• incline plane
• wheel and axle

Tags

NGSS.MS-ETS1-1

Lightbulb

• wedge
• pulley
• incline plane
• screw

Tags

NGSS.MS-PS3-3

A simple machine that consists a rigid bar that pivot about a fixed point

• lever
• pulley
• wheel and axle
• fulcrum 

What type of simple machine is this?

• wheel and axle
• gear
• lever
• inclined plane

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

• wheel and axle 
• lever
• inclined plane 
• pulley 

A 5000N block is lifted 10 m. How much work was done?

• 50000 J
• 5000 J
• 500 J
• 50 J

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-2

The unit used to measure work is the 

• Watt
• Newton
• Joule
• meter