7 JEE Main 2004 Work Power Energy previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2004 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.
Which of the following statements is false for a particle moving in a circle with a constant angular speed?
A body of mass m, accelerates uniformly from rest to v₁ in time t₁. The instantaneous power delivered to the body as a…
A force F=(5 i+3 j+2 k) N is applied over a particle which displaces it from its origin to the point r=(2 i-j) m. The w…
A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle…
A wire fixed at the upper end stretches by length by applying a force F. The work done in stretching is
A particle moves in a straight line with retardation proportional to its displacement. Its loss of kinetic energy for a…
A uniform chain of length 2 ~m is kept on a table such that a length of 60 ~cm hangs freely from the edge of the table.…