Physics

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A sled which has a mass of 45kg is sitting on a horizontal surface. A force of 120 N is applied to a rope attached to the front of the sled such that the angle between the front of the sled and the horizontal is 35 degrees. As a result of the application of this force the sled is pulled a distance of 500m at a constant speed. How much work was done to this sled by the applied force? (49,100J)

  • Physics -

    force component in direction of motion = 120 cos 35 = 98.3 N

    98.3 * 500 = 49,149 N

  • Physics -

    54

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