Work Energy And Power Question 262
Question: A body of mass 10 kg moves with a velocity v of 2m/s along a circular path of radius 8 m. The power produced by the body will be
Options:
A) 10J/s
B) 98J/s
C) 49J/s
D) zero
Show Answer
Answer:
Correct Answer: D
Solution:
[d] The power of body is given by $ = \vec{F}.\vec{V} $ as the body is moving in circular path, centripetal force and velocity are at $ 90{}^\circ $ , or power =0.
