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anonymous

  • 4 years ago

a particle of mass 6kg is being pushed across a smooth horizontal plane by a force of 30N acting downwards at 20 degree to the vertical. find the acceleration of the particle and the force the particle exerts on the plane

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  1. anonymous
    • 4 years ago
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    F=ma Fsin20=6a 30sin20=6a a=4.6m/s^2 (acceleration of particle)

  2. anonymous
    • 4 years ago
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    Fcos20=force on plane=12N

  3. anonymous
    • 4 years ago
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    how do you get Fcos 20 = force on plane = 12N?? i cant understand

  4. anonymous
    • 4 years ago
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    |dw:1328026490785:dw|

  5. anonymous
    • 4 years ago
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    The x component of the force is Fcos20, which is the force acting on the plane

  6. anonymous
    • 4 years ago
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    *oops, meant y component

  7. anonymous
    • 4 years ago
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    |dw:1327911796350:dw|

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