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Physics

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A football coach sits on a sled while two of his players build their strength by dragging the sled across the field with ropes. The friction force on the sled is 800 N and the angle between the two ropes is 20°. How hard must each player pull to drag the coach at a steady 2.0 m/s?

  • Physics - ,

    does it tell u how much coach weighs

  • Physics - ,

    The net total force on the sled through the ropes is
    F=2T cos(10°), where T is the tension on each rope.
    Let m be the mass of the coach + the sled.
    Then F-800=ma
    where 800 = frictional force
    m=total mass of coach and sled
    a=acceleration = 2 m/s.

    Solve for T.

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