Two identical solid cylinders are released from rest at the top of identical…
PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy
Problem
Two identical solid cylinders are released from rest at the top of identical frictionless ramps of height h. Cylinder A rolls without slipping while Cylinder B slides without rotating. After reaching the bottom, which statement best describes their total kinetic energies?
(a) Cylinder B has greater total kinetic energy because it avoids energy that would have gone into rotation.
(b) The total kinetic energies are equal because both cylinders convert the same loss of gravitational potential energy.
(c) Cylinder A has greater total kinetic energy because it gains rotational energy in addition to translational energy.
(d) Cylinder A has greater total kinetic energy because the static friction doing work adds energy to it.