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An open knife edge of mass M is dropped ...

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

A

Mg

B

`Mg(1+(h)/s)`

C

`Mg (1-(h)/s)`

D

`Mg (1+(h)/s)^2`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • An 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, the average resistance offered by the wood to the blade is :

    A
    `Mg`
    B
    `Mg(1+(h)/(s))`
    C
    `Mg(1-(h)/(s))`
    D
    `Mg(1+(h)/(s))^(2)`

  • An 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, the average resistance offered by the wood to the blade is :

    A
    Mg
    B
    `Mg(1+(h)/(s))`
    C
    `Mg(1-(h)/(s))`
    D
    `Mg(1+(h)/(s))^(2)`

  • An 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, the average resistance offered by the wood to the blade is :

    A
    `Mg`
    B
    `Mg(1+(h)/(s))`
    C
    `Mg(1-(h)/(s))`
    D
    `Mg(1+(h)/(s))^(2)`

    • Similar Questions

    Explore conceptually related problems

    A body of mass 1 kg is dropped from a height of 5m on to the ground. If the body penetrates 2 cm in to the ground, the average resistance offered by the ground on to the body is (g= 10 ms^(-2))

    A body of mass 1kg is dropped from a height of 5m on to the ground.If the body penetrates 2cm in to the ground, the average resistance offered by the ground on to the body is ( g = 10 ms^(-2) )

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