Physics
(i) Identify the class of the lever shown in the diagram below:
(ii) How is it possible to increase the M.A. of the above lever without increasing it's length?
Machines
ICSE 2020
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Answer
(i) The class of the lever shown in the diagram is class III.
(ii) By applying effort at a larger distance from the fulcrum i.e., shifting effort E towards load L, thereby increasing the length of effort arm.
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