Question

3. Describe the different parts of a lever.
Describe the different classes of levers with
examples.

Answer 1

Answer:

Three different types of levers exist, depending on where the input force, fulcrum, and load are

A. class 1 lever has the fulcrum between the input force and load. Examples include pliers, scissors, a crow bar, a claw hammer, a see-saw and a weighing balance.

B. class 2 lever has the load between the fulcrum and input force. Examples include wheelbarrows, staplers, bottle openers, nut cracker, and nail clippers

C. class 3 lever is a lever that has the input force in between the fulcrum and the load. example include tweezers, swinging a baseball bat etc.

Explanation:

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