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physics

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a giant crane was tested by lifting 2.232*10^6 kg load.find the magnitude of the force needed to lift the load with a net acceleration of 0m/s^2. if the same force is applied to pull the load up a smooth slope that makes 30 degrees with the horizontal, what would be the accel

  • physics - ,

    if it is moving at constant velocity (zero acceleration), then the force is equal to its weight,mg

    Now up a 30 degree slope, without friction.

    netforceup=ma
    mg-forcedownplane=ma
    mg-mgSin30=ma
    solve for a.

  • physics-- what - ,

    what??????

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