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Average and Instaneous Power

if force acti...

Question

if force acting on a particle is given by
F=-2i and its velocity is given by V=+3j find the power of the object

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Solution

$P o w e r = \overset{⇀}{F} . \overset{⇀}{V} D o t p r o d u c t b e t w e e n F o r c e a n d v e l o c i t y . p = (- 2 \hat{i}) . (3 \hat{j)} p = 0$

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