68. Two constant forces F1, and F2, act on a body of mass 8 kg.
These forces displace the body from point P(1, -2, 3) to Q
(2,3,7) in 2 s starting from rest. Force F, is of magnitude
9 N and is acting along vector (2i - 2j + k). Work done
by the force F, is
a. 80J b. -80J c. -180 J d. 180 J
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the work done by the force is 180joules
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hariharan108:
but answer is 180J
Answered by
2
Answer:
d. 180 J is correct answer
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