Simple Machines

A wheelbarrow is an example of

• First Class Lever
• Second Class Lever
• Third Class Lever
• Fourth Class Lever

In a first class lever, the _____ is in the middle.

• Effort
• Fulcrum
• Load
• Machine

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

In a second class lever, the ______ is in the middle.

• Effort
• Fulcrum
• Load
• Machine

In third class levers, the ______ is in the middle. 

• Effort
• Fulcrum
• Load

Tags

NGSS.MS-PS2-2

Which simple machine is really a modified version of the inclined plane?

• Pulley
• Lever
• Wedge
• I don't know

The flag pole mechanism is an example of which simple machine? 

• Inclined Plane
• Lever
• Wedge
• Pulley

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of the following does a simple machine NOT do?

• Increase the force applied
• Increase the distance the force is applied over
• Change the direction the force is applied
• Change the amount of work that needs to be done

Which of these is not part of the lever?

• Object
• Fulcrum
• Load
• Lever

The force placed on the simple machine to move the load is called the ____.

• Effort
• Fulcrum
• Load
• Lever

Simple machines allow us to do less work.

• TRUE
• FALSE