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State the class of levers and the relative positions of load (L), effort (E) and fulcrum (F) in
State the class of levers and the relative positions of load (L), effort (E) and fulcrum (F) in
Class 10 | ICSE | Machines | Physics | Selina
State the class of levers and the relative positions of load (L), effort (E) and fulcrum (F) in

(a) a bottle opener, and

(b) sugar tongs.

Solutions:

(a) A bottle opener is a Class II lever because the fulcrum F and the effort E are at opposite ends of the lever, and the load is in the middle.

Bottle Opener


(b) Sugar tongs is a Class III lever because the fulcrum F and the load L are at opposite ends of the lever and the effort E is in the middle.

Sugar Tong
i

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