7 JEE Main 2019 Work Power Energy previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 previous-year questions from the Work Power Energy chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Work Power Energy chapter hub.
A particle moves in one dimension from rest under the influence of a force that varies with the distance traveled by th…
A uniform cable of mass M and length L is placed on a horizontal surface such that its 1 n t h part is hanging below th…
A particle of mass 20   g is released with an initial velocity 5   m   s - 1 along the curve from the po…
A block of mass m , lying on a smooth horizontal surface, is attached to a spring (of negligible mass) of spring consta…
A force acts on a 2   kg object so that its position is given as a function of time as x = 3 t 2 + 5 . What is the…
A particle which is experiencing a force, given by F → = 3 i ^ - 12 j ^ , undergoes a displacement of d → =…
A wedge of mass M = 4 m lies on a frictionless plane. A particle of mass m approaches the wedge with speed v . There is…