Levers and Inclined Planes

WHAT ARE THE 3 MAIN PARTS OF A LEVER?

• FOOT, EFFORT, REPORT
• FULCRUM, STRUCTURE, EFFORT
• FULCRUM, EFFORT, LOAD

3. Which type of lever is this?

• First Class Lever
• Second Class Lever
• Third Class Lever

For a lever to be a first class lever the fulcrum needs to be ..

• between the load and the effort
• on one side and the load and effort on the other side 
• on the same side as the load arm. 

6. What kind of lever is this?

• First Class Lever
• Second Class Lever
• Third Class Lever

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Which type of lever would be in this image?

• First Class Lever
• Second Class Lever
• Third Class Lever

Levers make work ________.

• Harder
• Easier
• Alright
• OK

1st and 2nd class levers are ____ while 3rd class levers are _____

• Force multipliers, speed multipliers
• Speed multipliers,force multipliers
• Force multipliers, force multipliers
• Speed multipliers, speed multipliers

A wheelbarrow is an example of a:

• 1st class lever
• 2nd class lever
• 3rd class lever

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Which of the following is the definition of a 'lever'?

• Double inclined plane that moves through another object

• Simple machine that uses less effort over a longer distance

• A simple machine made of a beam and fulcrum

• Spiral shaped inclined plane that's designed to cut through another substance

The diagram shows a wooden block being pulled up an inclined plane that is 30 cm in height. Using the inclined plane reduces the amount of force needed to life the block while increasing the-

• mass of the wooden block.

• surface area of the block.

• pull of gravity on the block.

• distance the block must move.

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