A force \(\overline{F}\) = 10\(\hat{i}\) + \(\hat{j}\) + 3\(\hat{k}\)N displaces a particle from \(\hat{r}\) = 2\(\hat{i}\) + \(\hat{j}\) + \(\hat{k}\) m to \(\hat{r}\)2 = 4\(\hat{i}\) + 2\(\hat{j}\) + 3\(\hat{k}\) m, The W.D by the force is _______.
A. 48J
B. 28J
C. 82J
D. 84J
Answer:B
A force \(\overline{F}\) = 10\(\hat{i}\) + \(\hat{j}\) + 3\(\hat{k}\)N displaces a particle from \(\hat{r}\) = 2\(\hat{i}\) + \(\hat{j}\) + \(\hat{k}\) m to \(\hat{r}\)2 = 4\(\hat{i}\) + 2\(\hat{j}\) + 3\(\hat{k}\) m, The W.D by the force is _______.
A. 48J B. 28J C. 82J D. 84J