Simple Machines

What is a inclined plane..?

• A thing wrapped around a inclined plane

• Any flat sloping surface

• A simple machine used to pull things

• A complex machine that slopes

What is a screw...?

• A sloped surface

• A bicycle

• A inclined plane wrapped around a cylinder or a cone

• A simple machine made up of one or two inclined planes

Which one is the correct example of a pulley...?

• 
• 
• 
• 

What is a wedge...?

• A simple machine made up of one or two inclined planes

• An axe

• A inclined plane wrapped around a cone

• None of the above

How many types of simple machines are there...?

• 2

• 9

• 6

• 7

When does work occur...?

• While sitting/standing motionless

• When a force causes an object to move in the direction of the applied force

• When a force causes an object to move in the opposite direction of the applied force

• All of the above

What is a machine...?

• an apparatus using or applying mechanical power and having several parts, each with a definite function and together performing a particular task.

• Something that reduces the amount of force while pushing an object

• A machine is any device that changes the amount of force applied to an object

• All of the above

What is a lever...?

• A wheel that has a groove along its edge

• The fixed point

• A simple machine in which either a wheel turns a wheel around a central pivot

• A simple machine having an arm that moves around a fixed point

What is a pulley...?

• A wheel that has a groove along its edge

• Something you pull on

• A wheel and axle

• A complex machine

What is a wheel and axle...?

• A simple machine in which either a wheel turns an axle or an axle turns a wheel around a central pivot

• Part of a lever on which a person or another machine applies a force

• A well

• A simple machine having an arm that moves around a fixed point