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An open knife edge of mass ‘’ is dropped from a height ‘’ on a wooden floor. If the blade penetrates upto the depth ‘d’ into the wood, the average resistance offered by the wood edge is

a)

b)

c)

d)



Question ID - 52107 | SaraNextGen Top Answer

An open knife edge of mass ‘’ is dropped from a height ‘’ on a wooden floor. If the blade penetrates upto the depth ‘d’ into the wood, the average resistance offered by the wood edge is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Let the blade stops at depth  into the wood

By solving

So the resistance offered by the wood

127 votes


127