Kinematics Question 746
Question: A sphere of mass it’s tied to end of a string of length and rotated through the other end along a horizontal circular path with speed . The work done in full horizontal circle it’s[CPMT 1993; JIPMER 2000]
Options:
A) 0
B)
C)
D)
Show Answer
Answer:
Correct Answer: A
Solution:
Work done by centripetal force in uniform circular motion is always equal to zero.