Chapter 3 Work Power Simple Machines

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

• Effort
• Fulcrum
• Load
• Machine

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

Which of the following does a simple machine NOT do?

• do work in a single motion

• does work using only one movement

• have only a few parts

• change the amount of work that needs to be done

Simple machines make the work we have to do easier, but it is still the same amount of work.

• TRUE
• FALSE

A simple machine used to push two objects apart.

• Lever
• Inclined Plane
• Wedge
• Screw

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A door stop is an example of a

• Screw
• Wedge
• Lever
• Inclined Plane

Name this simple machine.

• Lever
• Wedge
• Pulley
• Inclined Plane

Name this simple machine. 

• Pulley
• Wheel and Axle
• Inclined Plane
• Lever

Name this simple machine ideal for loading and moving furniture.

• Inclined Plane

• Lever

• Pulley

• Wedge

Tags

NGSS.MS-ETS1-1