Rotational MotionHard
Question
A ring of diameter 1 metre is rotating with angular momentum of 10 J-s. For increasing its angular momentum by 50% in one second, required tangential force will be :-
Options
A.20 N
B.15 N
C.5 N
D.10 N
More Rotational Motion Questions
A particle of mass 1 kg is moving along the line y = x + 2 (here x and y are in meter) with speed 2 m/sec. The magnitude...Two points masses of 0.3 kg and 0.7 kg are fixed at the end of the rod of length 1.4 cm and of negligible mass. The rod ...A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound ...A wheel has moment of inertia 5 × 10-3 kg m2 and is making 20 rev/sec. The torque needed to stop it in 10 sec is .....Ratio of masses and radii of two circular rings are 1 : 2 and 2 : 1 respectively then ratio of moment of inertia will be...