Question

Two constant force F,1and f2, acts on a body. These
forces displaces the body from point
P(1,-2, 3) toQ(2,3,7) in 2s starting from rest.
Force f1is of magnitude 9 N and is acting along
vector (2î–2j+k). The positions are in meter.
Find work done byf1​

Answer 1

Answer:

-4J

Explanation:

Refer the image..

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