Question

an adult exerts a force of 26n to pull a child across the snow on a sled. The rope joins the sled at an angle of 30 degrees above the horizontal. Ignoring friction, how much work is done in pulling the sled 390m?
please someone help me with this...!!
Work = f (cos thetha)d
Use this formula ..this is used when an angle is made with a sled or vehicle

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