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why do we use screw driver …

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why do we use screw driver with long handles

    • Posted by Raj Gaurav 8 years ago

    CBSE > Class 11 > Physics
    • 1 answers

    Tannu Bhardwaj 8 years ago

    Because torque =force ×perpendicular dist. T=F×r Torque is directly proportional to r As r inc torque also inc Hence less force provide big torque And it made easier to use.

    3Thank You

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