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Problem
Problem
A force
(
3
i
^
+
4
j
^
)
(3\hat{i} + 4\hat{j})
(
3
i
^
+
4
j
^
)
newton acts on a body and displaces it by
(
3
i
^
+
4
j
^
)
(3\hat{i} + 4\hat{j})
(
3
i
^
+
4
j
^
)
metre. The work done by the force is a. 5 J b. 25 J c. 10 J d. 30 J
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