An irregular object is suspended from two different points. In stable equilibrium, the centre of mass lies below the point of suspension. By drawing a vertical line through the object in both position ...

As the competition is very tough among students therefore they can’t miss any single topic in JEE Examination. But it is very difficult to revise the complete syllabus just before the examination.

Weight is the force acting on an object due to gravity - it has the unit newtons (N) and acts towards the centre of a gravitational field. So weight is a gravitational force on an object that has mass ...

Two particles with different masses collide elastically. Show that in the centre-of-mass reference frame the final speeds of the two balls are the same as before the collision. In the centre-of-mass ...