1.

Two forces F̅1 = î - ĵ + k̂ and F̅2 = 4î + 2ĵ + 3k̂ act on a particle and displace it from the point (0, 1, 2) to (1, -2, 3), then the total work done is

A. 2 unit
B. 6 unit
C. 4 unit
D. 8 unit
Answer» C. 4 unit


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