3 JEE Main 2012 Work Power Energy previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2012 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 gets displaced by Δ r=(2 i+3 j+4 k) m under the action of a force F=(7 i+4 j+3 k). The change in its kinetic…
The force F=F i on a particle of mass 2 ~kg, moving along the x-axis is given in the figure as a function of its positi…
Two cars of masses m₁ and m₂ are moving in circles of radii r₁ and r₂, respectively. Their speeds are such that they ma…