Find the work done by the force f=5i+25j in moving an object from p(0,0) to q(1,6)
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Answer:
155 Joules
Explanation:
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Displacement Vector
D = < Qx - Px, Qy - Py >
D = < 25-10, 5-0 >
D = < 15, 5 >
Work Done
W = F dot D
W = < -4,20 > dot < 15,5 >
W = -4*15 + 20*5
W = -60 + 100
W = 40
Note: if the force is in newtons and the displacement is in meters, then the work done is in joules.
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