A mass |
|||||||
a) |
Is zero |
b) |
Remains constant |
c) |
Goes on increasing |
d) |
Goes on decreasing |
A mass |
|||||||
a) |
Is zero |
b) |
Remains constant |
c) |
Goes on increasing |
d) |
Goes on decreasing |
(b)
Angular momentum
Monmentum
perpendicular distance of line of action of momentum w.r.t.
point of rotation
The quantities on the right side of the equation are not changing. Thus, magnitude is constant