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Eamcet Physics
1 st Year : Unit 3.1( Laws of Motion ) - Laws of Motion

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An open knife edge of mass m is dropped from a height h on a wooden floor. If the blade penetrates s into the wood, the average resistance offered by the wood to the blade is (where S is a distance)

A. mg

B. mg(1 + h/s)

C. mg(1 - h/s)

D. mg(1 + h/s)²

E. None of the above

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Correct choice: B

Explanation:

None

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Eamcet Physics 1 st Year : Unit 3.1( Laws of Motion ) - Laws of Motion

Eamcet Physics
1 st Year : Unit 3.1( Laws of Motion ) - Laws of Motion