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Work, Energy and Power

Get chapter-wise JEE Main & Advanced questions with solutions

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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Q JEE MAIN 2025
A ball having kinetic energy KE , is projected at an angle of $60^{\circ}$ from the horizontal. What will be the kinetic energy of ball...
JEE Main Physics Easy
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Q JEE MAIN 2025
A ball of mass 100 g is projected with velocity 20 m/s at 60° with horizontal. The decrease in kinetic energy of the ball during...
JEE Main Physics Easy
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Q JEE MAIN 2025
A force $\overrightarrow{\mathrm{F}}=2 \hat{i}+\mathrm{b} \hat{j}+\hat{k}$ is applied on a particle and it undergoes a displacement $\hat{i}-2 \hat{j}-\hat{k}$. What will be the value of $b$, if...
JEE Main Physics Easy
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