same at every point on its line of action
maximum, if it acts at the centre of gravity of the body
different at different points on its line of action
minimum, if is acts at the centre of gravity of the body
centre of gravity
0.002543 amp, 1.50 h.p
2.2543 amp, 1.46 h.p.
2.543 amp, 1.52 h.p.
None of the above