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Work, Energy and Power

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2020
A block starts moving up an inclined plane of inclination $30^{\circ}$ with an initial velocity of $v_0$. It comes back to its initial position with...
JEE Main Physics Easy
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Q JEE MAIN 2019
A uniform cable of mass ‘M’ and length ‘L’ is placed on a horizontal surface such that its $\left(\frac{1}{n}\right)^{t h}$ part is hanging below the...
JEE Main Physics Medium
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Q JEE MAIN 2020
A particle ( $m=1 \mathrm{~kg}$ ) slides down a frictionless track (AOC) starting from rest at a point A (height 2 $\mathrm{m})$. After reaching C...
JEE Main Physics Easy
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Q JEE MAIN 2021
A block moving horizontally on a smooth surface with a speed of $40 \mathrm{~ms}^{-1}$ splits into two equal parts. If one of the parts moves...
JEE Main Physics Medium
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Q JEE MAIN 2019
A particle which is experiencing a force, given by $\vec{F}=3 \vec{i}-12 \vec{j}$, undergoes a displacement of $\overrightarrow{\mathrm{d}}=4 \overrightarrow{\mathrm{i}}$. If the particle had a kinetic energy...
JEE Main Physics Medium
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Q JEE MAIN 2021
A uniform chain of length 3 meter and mass 3 kg overhangs a smooth table with 2 meter laying on the table. If k is...
JEE Main Physics Easy
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Q JEE MAIN 2019
A particle moves in one dimension from rest under the influence of a force that varies with the distance travelled by the particle as shown...
JEE Main Physics Easy
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Q JEE MAIN 2021
An automobile of mass ‘m’ accelerates starting from origin and initially at rest, while the engine supplies constant power P. The position is given as...
JEE Main Physics Hard
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Q JEE-MAIN 2021
An engine is attached to a wagon through a shock absorber of length 1.5 m . The system with a total mass of $40,000 \mathrm{~kg}$...
JEE Main Physics Easy
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Q JEE MAIN 2021
A force of $\mathrm{F}=(5 \mathrm{y}+20) \mathrm{j} \mathrm{N}$ acts on a particle. The workdone by this force when the particle is moved from $\mathrm{y}=0 \mathrm{~m}$ to...
JEE Main Physics Medium
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