Choose the correct alternatives: For a general rotational motion, angular momentum L and angular velocity ω need not be parallel.

Question

Choose the correct alternatives:

(a) For a general rotational motion, angular momentum L and angular velocity ω need not be parallel. 

(b) For a rotational motion about a fixed axis, angular momentum L and angular velocity ω are always parallel. 

(c) For a general translational motion , momentum p and velocity v are always parallel. 

(d) For a general translational motion, acceleration a and velocity v are always parallel.

Answer 1

(a) For a general rotational motion, angular momentum L and angular velocity ω need not be parallel.

(c) For a general translational motion , momentum p and velocity v are always parallel.