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Lesson
8
Simple Machines:
Lever and Inclined Plane
What's New
Directions: Answer briefly the following questions.
1 What is a lever?



2. What are the three classes of lever?


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Sagot :

Answer:

1.)A lever is a long, sturdy body that rests on a support called a fulcrum

2.)First class lever – the fulcrum is in the middle of the effort and the load.

Second class lever – the load is in the middle between the fulcrum and the effort.

Third class lever – the effort is in the middle between the fulcrum and the load.

Explanation:

I Hope It Helps :)