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Question
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
Solution
The provided diagram shows a lever system with the fulcrum, load, and effort clearly labeled.
Class of Lever
This is a Class 1 Lever, where the fulcrum is positioned between the load and the effort.
Examples of Class 1 Lever
- Seesaw: A common playground equipment.
- Scissors: Both handles and blades operate as Class 1 levers.
- Crowbar: Used for prying objects.
How It Works:
- In a Class 1 lever, the effort and load move in opposite directions around the fulcrum.
- Depending on the position of the fulcrum, the lever can be used to gain either a mechanical advantage (make lifting easier) or speed advantage.
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