Asked by Vaishnavi

A crowbar is of lengths 3m. Where should the fulcrum be placed along the length of the crowbar so that a boulder of 9kgwt be lifted with it by applying an effort of 10N.

Answers

Answered by Steve
If the fulcrum is placed at distance d from the weight, then the force*distance must match
(9*9.8)d = 10(3-d)
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