A small body attached at the end of an inextensible string completes a vertical circle, then its

angular velocity remains constant

total mechanical energy remains constant

angular momentum remains constant

linear momentum remains constant

A small body attached at the end of an inextensible string completes a

1.	A small body attached at the end of an inextensible string completes a vertical circle, then its
A.	total mechanical energy remains constant
B.	angular velocity remains constant
C.	angular momentum remains constant
D.	linear momentum remains constant
Answer» B. angular velocity remains constant