PHYSICS
A) Numericals
1) A man can crack a nut by applying a force of 100 N on a lever of length 0.4 m. What should be the length of the
lever if he wants to use a force of 50 N to crack the nut?
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Answer:
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Explanation:
lever if he wants to use a force of 50 N to crack the nut? . 2 ... 100 N. load arm = 0.5 m =50 cm ... So to apply the force of 75 N length of nut cracker should be 66.6 cm.
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