Two pans of a balance are 67 cm apart. The fulcrum of the balance has been...
Two pans of a balance are 67 cm apart. The fulcrum of the balance has been shifted 1.55 cm away from the center by a dishonest shopkeeper. By what percentage is the true weight of the goods being marked up by the shopkeeper? Assume the balance has negligible mass. Answer in units of %.
Homework Answers
Consider the correct balance
Take moment about the center
=====================
Consider the faulty balance
Take moment about the center
Mark up = 1.097 -1 =0.097 *100=9.7
ANSWER: =
==============
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this where we put in the answers, just to give you an
idea.
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