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    Work Done in Joules Computed

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    A block of mass 5kg is lifted 2 meters in 3 seconds. Compute the work done in joules and in ergs.

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    Solution Preview

    The force required to lift the block (at constant velocity) is equal in magnitude ( and opposite in direction) to the weight of the block.

    Weight ...

    Solution Summary

    The work done in joules is computed. The magnitudes are found.