Work, Power, & Machines Quiz

A bicycle is an example of a _________________.

• simple machine

• lever

• pulley

• compound machine

What type of simple machine is shown here?

• Pulley
• Wheel and Axle
• Lever
• Wedge

A door stop is an example of a

• Screw
• Wedge
• Lever
• Inclined Plane

The lid to the jar is an example of what kind of simple machine?

• pulley

• lever

• wheel and axle
  

• screw

Compound machines consist of two or more simple machines combined together to make work easier and increase the mechanical advantage. What two simple machines are used in a wheelbarrow?

• Wheel/ axle and a lever

• Lever and a wedge

• Wheel/ axle and a screw

• Inclined plane and a lever

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Match the lever to the correct class

• 1st Class

• 
• 2nd Class

• 
• 3rd Class

• 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Put the labels in the correct places

a

b

c

Input force

fulcrum

Output force

Put the labels in the correct place

c

b

a

output force

input force

fulcrum

Basket (a)   would require more work to move, because it has a higher ​ (b)   .

• A
• weight
• B
• distance
• power
• watts

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Match the following measurements to the correct unit

• Joules

• Work

• Meters

• Time

• Seconds

• Force

• Newtons

• Distance

• Watts

• Power