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    Problem based on Newton's Second Law of motion

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    If a body is subjected to several forces, we must first find the net force on the body and then apply F=ma to determine its acceleration.

    For instance: A pail of water of mass 20 kg is being lifted by a rope from a well. It is ascending with an acceleration of 2 m/s^2. Determine tension in the rope.

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    Solution Preview

    See the attached file for a free-body diagram.

    The mass of the pail and water in it = M = 20 ...

    Solution Summary

    This solution shows how to calculate tension in a rope, using Newton's Second Law of Motion and F = ma, given mass and acceleration.