18 JEE Main 2025 Work Power Energy previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 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 force F=α+β x² acts on an object in the x -direction. The work done by the force is 5 J when the object is displaced…
A piston of mass M is hung from a massless spring whose restoring force law goes as F=-kx³, where k is the spring const…
A ball having kinetic energy KE, is projected at an angle of 60ⁱrc from the horizontal. What will be the kinetic energy…
Which one of the following forces cannot be expressed in terms of potential energy?
A force F=2 i+b j+k is applied on a particle and it undergoes a displacement i-2 j-k. What will be the value of b, if w…
A bob of mass m is suspended at a point O by a light string of length l and left to perform vertical motion (circular)…
A block of mass 25 kg is pulled along a horizontal surface by a force at an angle 45ⁱrc with the horizontal. The fricti…
A block of mass 1 kg , moving along x with speed vi=10 ~m / s enters a rough region ranging from x=0.1 ~m to x=1.9 ~m.…
A body of mass ' m ' connected to a massless and unstretchable string goes in verticle circle of radius ' R 'under grav…
A body of mass 4 kg is placed on a plane at a point P having coordinate (3,4) m. Under the action of force F=(2 i+3 j)…
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