The Center Is Likely To Break

A plastic bottle, completely filled with water, when kept in a freezer, is likely to break. Give reason

A weight can be hung in any of the following four ways by string of same type. In which case is the string most likely to break ?

A heavy mass is attached to a thin wire and is whirled in a vertical circle. The wire is most likely to break

A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when:

A small sphere of mass 'm' is attached to a cord and rotates in a vertical plane about a point O . If the average speed of the sphere is increased, the cord is most likely to break at the orientation when the mass is at : .

A: When soldier cross a bridge, they are asked to break steps. R: If they do not break steps, then they will apply large force on bridge simutaneously.