Physics

State three differences between the three classes of levers.

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S. No.	Class I lever	Class II lever	Class III lever
1.	It has the fulcrum between the load and the effort.	It has the load between the fulcrum and the effort.	It has the effort between the fulcrum and the load.
2.	The effort arm can be shorter, equal to or longer than the load arm.	The effort arm is always longer than the load arm.	The effort arm is always shorter than the load arm.
3.	The mechanical advantage can be less than, equal to or greater than 1.	The mechanical advantage is always greater than 1.	The mechanical advantage is always less than 1.

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