Question:
A open knife edge of mass M is dropped from a height h on a
Last updated: 6/3/2023
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A open knife edge of mass M is dropped from a height h on a wooden floor If the blade penetrates a distance S into the wood average resistance offered by the wood to the blade is 1 Mg h 3 Mg 1 1 S 2 Mg 1 h S 4 Mg 1 5 S