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A constant force -6i-2j-1k moves an object along a straight line from point (8, -6, -9) to point (-5, 3, 3).

how do you find the work done

  • math -

    Take the scalar "dot" product of the force vector and the displacement vector. The displacement vector is
    -13i +9j +12k

    (-13)*(-6) + 9*(-2) + 12*(-1)
    = ?

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