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Below Figure represents a painter in a c...

Below Figure represents a painter in a crate which hangs alongside a building . When the painter of mass 100 kg pulls the rope , the force exerted by him on the floor of the crate is 450N. If the crate weights 25 kg , find the accelertion and tension in the rope, `(g=10 m//s^(2))`

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The correct Answer is:
750N
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Knowledge Check

  • Figure shows a weight of 30 kg suspended at one end of cord and a weight of 70 kg applied at other end of the cord passing over a pulley. Neglecting weight of rope and pulley. Find the acceleration of the system and tension in the cord (g=10 ms^(-2))

    A
    `2m//s^(2), 120 N`
    B
    `4m//s^(2), 420 N`
    C
    `6m//s^(2), 180 N`
    D
    `4 m//s^(2), 240 N`

  • A ball of mass 10 gm dropped from a height of 5 m hits the floor and rebounds to a height of 1.25 m. If the ball is in contact with the ground for 0.1s, the force exerted by the ground on the ball is (g = 10 m/ s^(2) )

    A
    0.5 N
    B
    1.5 N
    C
    0.15 N
    D
    2.5 N

  • A ball of mass 10 gm dropped from a height of 5 m hits the floor and reboundsd to a height of 1.25 m. If the ball is in contact with the ground for 0.1 s, the force exerted by the ground on the ball is (g=10 m//s^(2))

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    C
    0.15 N
    D
    2.5 N

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