Question:
A ladder 2 5 m long and of weight 150 N has its centre of
Last updated: 6/10/2023
A ladder 2 5 m long and of weight 150 N has its centre of gravity 1 m from its bottom A weight of 40 N is attached to the top end The work required to raise the ladder from the horizontal position to the vertical position is A 190 J C 285 J L B 250 J D 475 J