Simple Machines

A simple machine that consists a rigid bar that pivots on a fixed point

• lever

• pulley

• wheel and axle

• fulcrum

An axe is an example of a

• pulley

• inclined plane

• screw

• wedge

When force is used to move an object across a distance, this is called...

• effort

• power

• energy

• work

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

• wheel and axle

• lever

• inclined plane

• pulley

Which of the following does a simple machine do?

• allows the users to apply less force over a longer distance
• reduce the amount of force needed to do work
• change the direction of the applied force
• all of the above

Name this simple machine. 

• Wheel and Axle
• Lever
• Pulley
• Wedge

How much work is done if I use 5N of force to move an object 2 meters?

• 10 Newtons

• 7 Newtons

• 10 Joules

• 7 Joules

A simple machine that is made up of an incline plane wrapped around a cylinder, often used to hold things together is a...

• lever

• screw

• wedge

• pulley

A ramp.

• Lever
• Inclined Plane
• Wedge
• Screw

Mechanical Advantage:  To increase or decrease the applied force.

• Lever
• Pulley
• Wheel and Axle
• Screw