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Work, Energy and Power

Get chapter-wise JEE Main & Advanced questions with solutions

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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Q JEE MAIN 2021
Given below is the plot of a potential energy function U (x) for a system, in which a particle is in one dimensional motion, while...
JEE Main Physics Easy
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Q JEE-MAIN 2021
A body of mass 'm' dropped from a height 'h' reaches the ground with a speed of $0.8 \sqrt{g h}$ . The value of workdone...
JEE Main Physics Easy
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Q JEE-MAIN 2021
A pendulum bob has a speed of 3 m/s at its lowest position. The pendulum is 50 cm long. The speed of bob, when the...
JEE Main Physics Easy
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Q JEE MAIN 2021
Given below is the plot of a potential energy function $\mathrm{U}(\mathrm{x})$ for a system, in which a particle is in one dimensional motion, while a...
JEE Main Physics Easy
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Q JEE MAIN 2021
In a spring gun having spring constant 100 N/m a small ball 'B' of mass 100 g is put in its barrel (as shown in...
JEE Main Physics Medium
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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
View Solution →