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Work, Energy and Power

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2022
A bar magnet having a magnetic moment of $2.0 \times 10^5 \mathrm{JT}^{-1}$, is placed along the direction of uniform magnetic field of magnitude $...
JEE Main Physics Easy
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Q JEE MAIN 2022
Arrange the four graphs in descending order of total work done; where W1, W2, W3 and W4 are the work done corresponding to figure a,...
JEE Main Physics Easy
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Q JEE MAIN 2022
Potential energy as a function of r is given by $U=\frac{A}{r^{10}}-\frac{B}{r^5}$, where r is the interatomic distance, A and B are positive constants. The equilibrium...
JEE Main Physics Easy
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Q JEE MAIN 2022
A ball of mass 100 g is dropped from a height h = 10 cm on a platform fixed at the top of vertical spring...
JEE Main Physics Hard
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Q JEE MAIN 2022
A particle of mass 500 gm is moving in a straight line with velocity $v=b x^{5 / 2}$. The work done by the net force...
JEE Main Physics Medium
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Q JEE MAIN 2022
A 0.5 kg block moving at a speed of $12 \mathrm{~ms}^{-1}$ compresses a spring through a distance 30 cm when its speed is halved. The...
JEE Main Physics Easy
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Q JEE MAIN 2022
A particle experiences a variable force $\vec{F}=\left(4 x \hat{i}+3 y^2 \hat{j}\right)$ in a horizontal $x-y$ plane. Assume distance in meters and force is newton. If...
JEE Main Physics Medium
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Q JEE MAIN 2022
A particle of mass m is moving in a circular path of constant radius $r$ such that its centripetal acceleration (a) is varying with time...
JEE Main Physics Medium
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Q JEE MAIN 2024
A body of mass 2 kg begins to move under the action of a time dependent force given by $...
JEE Main Physics Medium
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Q JEE MAIN 2024
A ball suspended by a thread swings in a vertical plane so that its magnitude of acceleration in the extreme position and lowest position are...
JEE Main Physics Hard
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