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Work, Energy and Power

Get chapter-wise JEE Main & Advanced questions with solutions

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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Q JEE MAIN 2024
A body of mass 50kg is lifted to a height of 20m from the ground in the two different ways as shown in the figures....
JEE Main Physics Easy
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Q JEE MAIN 2024
If a rubber ball falls from a height h and rebounds upto the height of h/2. The percentage loss of total energy of the initial...
JEE Main Physics Medium
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Q JEE MAIN 2024
The potential energy function (in J ) of a particle in a region of space is given as $U=\left(2 x^2+3 y^3+2 z\right)$. Here $x, y$...
JEE Main Physics Easy
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Q JEE MAIN 2024
Two bodies of mass 4g and 25g are moving with equal kinetic energies. The ratio of magnitude of their linear momentum is :
JEE Main Physics Easy
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Q JEE MAIN 2025
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 $...
JEE Main Physics Hard
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Q JEE MAIN 2025
An object of mass 1000 g experiences a time dependent force $\vec F = \left( {2t\hat i + 3{t^2}\hat j} \right)N$. The power generated by...
JEE Main Physics Medium
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Q JEE MAIN 2025
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: In a central force...
JEE Main Physics Medium
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Q JEE MAIN 2025
A force ${\rm{F}} - \alpha + \beta {{\rm{x}}^2}$ acts on an object in the x -direction. The work done by the force is 5 J...
JEE Main Physics Medium
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Q JEE MAIN 2025
A force $\text{f}={{\text{x}}^{2}}\text{y}\widehat{\text{i}}+{{\text{y}}^{2}}\widehat{\text{j}}$ acts on a particle in a plane $\text{x}+\text{y}=10$ . The work done by this force during a displacement from (0,0) to (4m,...
JEE Main Physics Medium
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