Simple Machines #1

What do you call a machine made up of two or more simple machines?

• complicated machine
• compound machine

• comprehensive machine
• constructive machine

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

Which is an example of someone using a simple machine to do work?

• A boy runs across the field

• A girl eats her sandwich

• A banker counts money

• A man pushes his trolley up the ramp

The transfer of energy that occurs when a force makes an object move is known as 

• effort
• potential 
• kinetic 
• work 

Simple machines change the ___________ of a force and the _________ of force needed to do something.

• Position

• Direction

• Amount

• Speed

Which of these is an example of a wedge?

• Knife

• Stairs

• Skateboard

• Broom

What simple machine has a fulcrum and can be used to lift a weight?

• Pulley

• Lever

• Wedge

• Incline

A push or pull that can move an object is a...

• Fulcrum

• Machine

• Lever

• Force

The fixed point on a lever is called the __________.

• Bar

• Wedge

• Fulcrum

• Screw

A ___________ is a wheel with a rope wrapped around it that can be used to lift or PULL heavy objects by changing the direction or amount of force.

• Lever

• Wedge

• Pulley

• Inclined Plane