Question: Find the work done by a force F = 8 i 4 j + 8 k that moves an object from the point ( 0

Find the work done by a force
F =8i 4j +8k
that moves an object from the point
(0,7,5)
to the point
(3,11,23)
along a straight line. The distance is measured in meters and the force in newtons.
Step 1
Recall that the work done is given by
W = F D.
When moving from (0,7,5) to (3,11,23), the displacement vector is given by
D = i + j + k.

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