Energy and Simple Machines TEST CORRECTIONS

Name (Last name, First name)

Which science teacher do you have?

• Mr. Bergler
• Mr. Bolin

Which hour do you have science?

• 1
• 2
• 3
• 4
• 5

1) What type of simple machine is pictured below?

• 1st class lever
• 2nd class lever
• moveable pulley
• wedge

2) What type of simple machine is pictured below?

• 1st class lever
• 3rd class lever
• fixed pulley
• moveable pulley

3) What type of simple machine is pictured below?

• fixed pulley
• first class lever
• second class lever
• wheel and axle

4) What type of simple machine is pictured below?

• block and tackle pulley
• wheel and axle
• third class lever
• inclined plane

5) What type of simple machine is pictured below?

• inclined plane
• first class lever
• wheel and axle
• block and tackle pulley

6) Andrea is lifting a 500 N weight using a FIXED pulley. How much input force would she have to use?

• 75 N
• 500 N
• 300 N
• 250 N

7) Harold is doing a lab using a 3rd class lever to lift a 5N weight. Which of the following input force numbers is he most likely going to have to use?

• 5N
• 1N
• 2.5N
• 15N