A man can open a nut by applying a force of 150 N by using a lever handle of length 0. 4 m. What should be the length of the handle if he is able to open it by applying a force of 60 N?

2 m

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5 m

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1 m

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0.8 m

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Solution

The correct option is C
1 m

The Moment required to open the nut is always the same

Thus , Initial Moment = 150 x 0.4 = 60 Nm

New Moment = Initial Moment

60 Nm = 60 x Length of the handle

Thus, Length of the handle = 1 m

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A man can open a nut by applying a force of 150 N by using a lever handle of length 0. 4 m. What should be the length of the handle if he is able to open it by applying a force of 60 N?

The correct option is C 1 mThe Moment required to open the nut is always the same Thus , Initial Moment = 150 x 0.4 = 60 Nm New Moment = Initial Moment 60 Nm = 60 x Length of the handle Thus, Length of the handle = 1 m

The correct option is C
1 m

The Moment required to open the nut is always the same

Thus , Initial Moment = 150 x 0.4 = 60 Nm

New Moment = Initial Moment

60 Nm = 60 x Length of the handle

Thus, Length of the handle = 1 m