Question
Physics Question on Work Power and Energy
Three objects, A : (a solid sphere), B : (a thin circular disk) and C : (a circular ring), each have the same mass M and radius R. They all spin with the same angular speed ω about their own symmetry axes. The amounts of work (W) required to bring them to rest, would satisfy the relation
A
WC>WB>WA
B
WB>WA>WC
C
WA>WB>WC
D
WA>WC>WB
Answer
WC>WB>WA
Explanation
Solution
The correct option is (A): WC>WB>WA