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A mass of 2 kg is kept at one end of a 1...

A mass of 2 kg is kept at one end of a 10 cm long rod, and a mass of 5 kg at the other end. Find the point of suspension for the rod so that it remains horizontal. Neglect the weight of the rod.

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The correct Answer is:
7.14 cm from the end where the 2 kg mass is kept
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Knowledge Check

  • a particle is attached to an end of a rigid rod. The other end of the rod is hinged and rod rotates always remaining horizontal. It's angular speed is increasing at constant rate alpha . The mass of the particle is 'm'. The force exerted by the rod on the particle is vecF , then

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    `Fgtmg`
    B
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    C
    The angle between `vecF` and the rod is `tan^(-1)(1/(alphat^2))`
    D
    The angle between `vecF` and the rod decreases with time.

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