When a pall of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is – (1) below a certain minimum value irrespective of amour of water In the pail (2) above a certain minimum value irrespective of amount of water in the pail (3) above a certain minimum value depending on amount of water in the pail (4) below a certain minimum value depending on amount of water in the pail