The angular speed of a fly wheel moving with uniform angular acceleration changes from 1200 rpm to 3120 rpm in 16 seconds. The angular acceleration in rad/s\(^2\) is :
Comparison of linear and rotational motion
Every question from past board papers on Comparison of linear and rotational motion, newest paper first. Open any question for its full worked answer.
NEET UG 2022 question paper (official, booklet R6)
Full paper →NEET UG 2019 question paper (official, booklet P1)
Full paper →-
A disc of radius 2 m and mass 100 kg rolls on a horizontal floor. Its centre of mass has speed of 20 cm/s. How much work is needed to stop it ?
NEET UG 2018 question paper (official, booklet EE)
Full paper →-
A solid sphere is in rolling motion. In rolling motion a body possesses translational kinetic energy (\(K_t\)) as well as rotational kinetic energy (\(K_r\)) simultaneously. The ratio \(K_t:(K_t+K_r)\) for the sphere is
NEET UG 2016 Phase 2 question paper (official, booklet ZZ)
Full paper →-
Two rotating bodies \(A\) and \(B\) of masses \(m\) and \(2m\) with moments of inertia \(I_A\) and \(I_B\) (\(I_B>I_A\)) have equal kinetic energy of rotation. If \(L_A\) and \(L_B\) be their angular momenta respectively, then