SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

Statement 1:

The total kinetic energy of a rolling solid sphere is the sum of translational and rotational kinetic energies

Statement 2:

For all solid bodies total kinetic energy is always twice the translational kinetic energy

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True


Question ID - 100862 :-

Statement 1:

The total kinetic energy of a rolling solid sphere is the sum of translational and rotational kinetic energies

Statement 2:

For all solid bodies total kinetic energy is always twice the translational kinetic energy

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True

1 Answer
5876 Votes
3537

Answer Key : (c) -

(c)

This equation is correct for any body which is rolling without slipping

For the ring and hollow cylinder only



Next Question :

Statement 1:

If there is no external torque on a body about its center of mass, then the velocity of the center of mass remains constant

Statement 2:

The linear momentum of an isolated system remains constant

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True


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