1.

A force F = (5i 3j +2k) N moves a particle from r1 = (2i + 7j + 4k) m to r2 = (5i + 2j + 8k) m. What is the work done by the force?

A. 18 J
B. 28 J
C. 38 J
D. 48 J
Answer» D. 48 J


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