In a merry-go-around, a boy suddenly comes and sits down which physical quantity will be conserved :
A. Linear momentum
B. Kinetic energy
C. Angular momentum
D. None of the above.
Answer:C
In a merry-go-around, a boy suddenly comes and sits down which physical quantity will be conserved :
A. Linear momentum B. Kinetic energy C. Angular momentum D. None of the above.