Physics
A mechanic can open a nut by applying a force of 150 N while using a lever handle of length 40 cm. How long a handle is required if he wants to open it by applying a force of only 50 N ?
Related Questions
State two differences between the centripetal and centrifugal force.
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A uniform metre rule of weight 10 gf is pivoted at its 0 mark.
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(ii) How can it be made horizontal by applying a least force?