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Obaid Mallick
Asked: 2022-11-11T04:58:40+05:30 In:

A nut is placed in a nut cracker at 5 cm from the fixed end. If the force experienced by the nut is 100 N when a force of 20 N is applied at the free end of the nut cracker, find the length of the nut cracker.
A. 5
B. 25
C. 15
D. 20

A nut is placed in a nut cracker at 5 cm from the fixed end. If the force experienced by the nut is 100 N when a force of 20 N is applied at the free end of the nut cracker, find the length of the nut cracker.
A. 5
B. 25
C. 15
D. 20
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1 Answer

  1. Correct Answer – B
    Mechanical advantage `=(“Load”)/(“Effort”)=(“Effort arm”)/(“Load arm”)`
    Therefore, `(100)/(20)=(“Effort arm”)/(5)`
    `implies` Effort arm =25 cm
    Hence, the correct options is (b).

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