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A uniform half metre rule balances horiz...

A uniform half metre rule balances horizontally on a knife edge at 29 cm mark when a weight of 20 gf is suspended from one end.
Draw a diagram of the arrangement.

Text Solution

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Let the weight of the half metre rule be x gf and it acts at the 25 cm mark (centre of gravity).
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Knowledge Check

  • Find the weight of half meter scale balanced at 5 cm mark when a weight of 10 gf is suspended at one of its ends.

    A
    2.5gf
    B
    100gf
    C
    0.2gf
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    50gf

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    a. 60 N, 40 N
    B
    b. 75 N, 25 N
    C
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    D
    d. 55 N, 45 N

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