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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > a sphere of radius 10cm and mass 25kg is attached A sphere of radius 10cm and mass 25 kg is attached to the lower end of a steel wire of length 5m and diameter 4mm which is suspended from the ceiling of a room . The point of support is 521cm above the floor. When the sphere is set swinging as a simple pendulum, its lowest point just grazes the floor.

a sphere of radius 10cm and mass 25kg is attached A sphere of radius 10cm and mass 25 kg is attached to the lower end of a steel wire of length 5m and diameter 4mm which is suspended from the ceiling of a room . The point of support is 521cm above the floor. When the sphere is set swinging as a simple pendulum, its lowest point just grazes the floor.

A steel ring of radius r and cross section area A is fitted on to a wooden disc of radius R(R>r). If Young's modulus be R Search Results Featured snippet from the web Image result for two bars A and B are stuck using an adhesive then the force with which the steel ring is expanded is