A cook uses tongs of length 25 cm to lift a piece of burning coal of weight 2 N. (The weight of a body is the force with which the earth pulls it.) If he applies the effort at a distance of 10 cm from the fulcrum, find the effort.
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Answer:
answer is 34
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Answer:
5 N
Explanation:
A pair of tongs is a lever of class three with the fulcrum and the load at its and the effort in between
Given , load = 2 N , load arm = 25 cm and effort arm = 10 cm
since load × load arm = 25 and effort arm,
effort = load×load arm = 2N×25cm = 5 N
effort arm 10 cm
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