NEET UG System of Particles and Rotational Motion — practice questions
19 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NEET UG System of Particles and Rotational Motion in the app →A child pushes a door of width $0.8$ m perpendicular to the door at the handle with $20$ N force. The torque aA solid disc of mass $M$, radius $R$, rotating about its centre axis has moment of inertia:An ice skater spinning with arms outstretched at $\omega_1$ pulls arms in, halving her moment of inertia. Her A bicycle wheel of radius $R$ rolls without slipping at linear speed $v$. The angular speed $\omega$ is:For a rigid body, the centre of mass moves as though the body's total mass were concentrated there and all extMoment of inertia of a body about an axis is a measure of its:The rotational analog of Newton's second law (F = m a) is:The moment of inertia of a uniform thin rod of mass M and length L about an axis perpendicular to the rod throParallel-axis theorem relates I about an axis at distance d from the centre of mass to I_cm by:Angular momentum L of a particle of mass m, position r and momentum p is:If the net external torque on a system is zero, then:A solid disc and a hollow ring of the same mass and radius roll without slipping down the same incline. ReachiTotal kinetic energy of a body rolling without slipping is:An ice skater spinning with arms outstretched pulls her arms in. Her angular speed:A flywheel of moment of inertia 2 kg m² rotates at 60 rpm. The torque required to bring it to rest in 10 s is:A solid sphere of mass M and radius R has moment of inertia about a diameter:A wheel rolls without slipping with the centre of mass having velocity v. The instantaneous velocity of the poTwo bodies have the same angular momentum L. The one with the LARGER moment of inertia has:The radius of gyration k of a body about an axis is defined so that: