An elevator has a fully loaded mass of 1200 kg. It moves upward at a constant sp
NextA body is suspended from a smooth horizontal nail by a string of length 0.25 met
A body is suspended from a smooth horizontal nail by a string of length 0.25 metre. What minimum hor
MediumA stone of mass 0.2 kg is tied to one end of a thread of length 0.1 m whirled in a vertical circle.
MediumA mass m is attached to a string and revolves in a vertical circle with a radius r. If the speed of
EasyA stone of mass m, tied to a string is being whirled in a vertical circle such that stone just compl
MediumAn object of mass 5 kg falls from rest through a vertical distance of 20 m and reaches a velocity of
MediumFind out potential energy of the system
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