Answer to Question #218671 in Physics for Novaa

Question #218671

A body moves from a position r1 =i +2j -3k m and r2 =2i +3j -3k m under the influence of a constant force F 3i +I- k calculate workdone by force

Expert's answer

"\\bold{r_2-r_1}=(2-1,3-2,-3+3)\\\\=(1,1,0)\\ m\\\\\nW=(3,1,-1)(1,1,0)=4\\ J"

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