Work Energy And Power Question 210
A particle describes a horizontal circle of radius 0.5 m with uniform speed. The centripetal force acting is 10 N. The work done in describing a semicircle is
Options:
A) 0
5J
C) $ 5\pi J $
D) $ 10\pi J $
Show Answer
Answer:
Correct Answer: A
Solution:
$ W=Fscos90{}^\circ =0 $
BETA
