A bag is gently pushed off the top of a wall at A and swings in a vertical plane at the end of a rope of length l Determine the angle for which the rope will break, knowing that it can withstand a maximum tension equal to twice the weight of the bag A...

Use work energy position 1 is at 4 position 2 is at B T ...

A bag is gently pushed off the top of a wall at A and swings in a

Question:

A bag is gently pushed off the top of a wall at A and swings in a vertical plane at the end of a rope of length l Determine the angle θ for which the rope will break, knowing that it can withstand a maximum tension equal to twice the weight of the bag.