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Work, Energy and Power

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2023
At any instant the velocity of a particle of mass 500 g is $\left(2 t \hat{\mathrm{i}}+3 t^2 \hat{\mathrm{j}}\right) \mathrm{ms}^{-1}$. If the force acting on the...
JEE Main Physics Medium
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Q JEE-Main_2024
A particle is placed at the point A of a frictionless track ABC as shown in figure. It is gently pushed toward right. The speed...
JEE Main Physics Easy
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Q JEE MAINS 2023
An object of mass 'm' initially at rest on a smooth horizontal plane starts moving under the action of force F = 2N. In the...
JEE Main Physics Hard
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Q JEE MAIN 2023
A 0.4 kg mass takes 8s to reach ground when dropped from a certain height ‘P’ above surface of earth. The loss of potential energy...
JEE Main Physics Easy
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Q JEE MAIN_2023
A small particle moves to position $5 \hat{i}-2 \hat{j}+\hat{k}$ from its initial position $2 \hat{i}+3 \hat{j}-4 \hat{k}$ under the action of force $...
JEE Main Physics Easy
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Q JEE MAIN 2023
A lift of mass $M=500 \mathrm{~kg}$ is descending with speed of $2 \mathrm{~ms}^{-1}$. Its supporting cable begins to slip thus allowing it to fall with...
JEE Main Physics Medium
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Q JEE MAIN
A stationary particle breaks into two parts of masses $\mathrm{m}_{\mathrm{A}}$ and $\mathrm{m}_{\mathrm{B}}$ which move with velocities $v_A$ and $v_B$ respectively. The ratio of their kinetic...
JEE Main Physics Medium
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Q JEE MAIN
Four particles A, B, C, D of mass$\frac{m}{2}, m, 2 m, 4 m$, have same momentum, respectively. The particle with maximum kinetic energy is :
JEE Main Physics Easy
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Q JEE MAIN
Three bodies A,B and C have equal kinetic energies and their masses are 400g,1.2kg and 1.6kg respectively. The ratio of their linear momenta is :
JEE Main Physics Easy
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Q JEE MAIN
A bullet of mass 50 g is fired with a speed 100m/s on a plywood and emerges with 40 m/s. The percentage loss of kinetic...
JEE Main Physics Medium
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