Work, Energy & Power JEE Main PYQs PDF, 2020–2026

Work, Energy & Power questions per year

in the free PDF asked, not in the PDFThe PDF only has questions we can print in full with a checked answer, so it holds 101 of the 102 asked.

Topic-wise weightage by year

How many Work, Energy & Power questions each topic had in every JEE Main year (all shifts), counting every question asked, including ones not in the PDF. Darker cells mean more questions.

Swipe the table sideways for older years.

Newest questions (2026)

All 12 JEE Main 2026 Work, Energy & Power questions in the free PDF, latest shift first.

1. JEE Main 2026 · 6 Apr · Shift 2 · Work-Energy Theorem

   The velocity at which 6 kg mass (shown in figure) strikes the ground when it is released from a height of 6 m above the ground is $\_\_\_\_$ ${\mathrm{m}}/{\mathrm{s}}$. Assume pulley is massless and string is light and inextensible. (Take ${\mathrm{g}}=10{\ \mathrm{m}}/{\mathrm{s}}^{2}$ )

   
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2. JEE Main 2026 · 6 Apr · Shift 1 · Work-Energy Theorem

   The rain drop of mass 1 g , starts with zero velocity from a height of 1 km . It hits the ground with a speed of $5{\ \mathrm{m}}/{\mathrm{s}}$. The work done by the unknown resistive force is $\_\_\_\_$ J.

   (take ${\mathrm{g}}=10{\ \mathrm{m}}/{\mathrm{s}}^{2}$ )

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3. JEE Main 2026 · 6 Apr · Shift 2 · Work-Energy Theorem

   A body of mass 1 kg moves along a straight line with a velocity $v=2x^{2}$. The work done by the body during displacement from $x=0$ to 5 m is $\_\_\_\_$ J.

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4. JEE Main 2026 · 5 Apr · Shift 2 · Work-Energy Theorem

   A mass of 1 kg is kept on a inclined plane with ${30}^{{\circ}}$ inclination with respect to horizontal plane and it is at rest initially. Then the whole assembly is moved up with constant velocity of $4{\ \mathrm{m}}/{\mathrm{s}}$. The work done by the frictional force in time 2 s is $\_\_\_\_$ J. (Take $g=10{\ \mathrm{m}}/{\mathrm{s}}^{2}$ )

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5. JEE Main 2026 · 4 Apr · Shift 1 · Work by Constant and Variable Force

   A 1 kg block subjected to two simultaneous forces $(2{\widehat{{\mathrm{i}}}}+3{\widehat{{\mathrm{j}}}}+4{\widehat{{\mathrm{k}}}}){\mathrm{N}}$ and $(3{\widehat{{\mathrm{i}}}}-{\widehat{{\mathrm{j}}}}-2{\widehat{{\mathrm{k}}}}){\mathrm{N}}$ is moved a distance of 25 m along $(3{\widehat{{\mathrm{i}}}}-4{\widehat{{\mathrm{j}}}})$ direction. The work done in this process is $\_\_\_\_$ J.

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6. JEE Main 2026 · 4 Apr · Shift 1 · Power

   A body of mass 2 kg begins to move under the influence of time dependent force $\overrightarrow{{\mathrm{F}}}=\left(2{\mathrm{t}}{\widehat{{\mathrm{i}}}}+6{\mathrm{t}}^{2}{\widehat{{\mathrm{j}}}}\right){\mathrm{N}}$, where ${\widehat{{\mathrm{i}}}}$ and ${\widehat{{\mathrm{j}}}}$ are unit vectors along $x$ and y -axis respectively. The power produced by the force at $t=2{\ \mathrm{s}}$ is $\_\_\_\_$ W.

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7. JEE Main 2026 · 2 Apr · Shift 2 · Work-Energy Theorem

   A spherical ball of mass 2 kg falls from a height of 10 m and is brought to rest after penetrating 10 cm into sand.
   
   The average force exerted by sand on the ball is _________ N.
   
   (Take $g=10\ {\mathrm{m}/\mathrm{s}^{2}}$)

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8. JEE Main 2026 · 23 Jan · Shift 2 · Work-Energy Theorem

   A bead $P$ sliding on a frictionless semi-circular string $(ACB)$ and it is at point $S$ at $t=0$ and at this instant the horizontal component of its velocity is $v$. Another bead $Q$ of the same mass as $P$ is ejected from point $A$ at $t=0$ along the horizontal string $AB$, with the speed $v$, friction between the beads and the respective strings may be neglected in both cases. Let $t_{P}$ and $t_{Q}$ be the respective times taken by beads $P$ and $Q$ to reach the point $B$, then the relation between $t_{P}$ and $t_{Q}$ is

   
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9. JEE Main 2026 · 23 Jan · Shift 1 · Work-Energy Theorem

   Two blocks with masses 100 g and 200 g are attached to the ends of springs $A$ and $B$ as shown in figure. The energy stored in $A$ is $E$. The energy stored in $B$, when spring constants $k_{A},k_{B}$ of $A$ and $B$, respectively satisfy the relation $4k_{A}=3k_{B}$, is :

   
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10. JEE Main 2026 · 22 Jan · Shift 2 · Conservative and Non-Conservative Forces

    Given below are two statements :

    Statement I : An object moves from position $r_{1}$ to position $r_{2}$ under a conservative force field ${\vec{F}}$. The work done by the force is $W=-\int_{{r_{1}}}^{{r_{2}}}{\vec{F}}\cdot \overrightarrow{dr}$.

    Statement II : Any object moving from one location to another location can follow infinite number of paths. Therefore, the amount of work done by the object changes with the path it follows for a conservative force.

    In the light of the above statements, choose the correct answer from the options given below :

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11. JEE Main 2026 · 21 Jan · Shift 2 · Work-Energy Theorem

    A body of mass 2 kg is moving along x-direction such that its displacement as function of time is given by $x(t)=\alpha t^{2}+\beta t+\gamma$ m, where $\alpha=1\;m/s^{2}$, $\beta=1\;m/s$ and $\gamma=1\;m$. The work done on the body during the time interval $t=2\;s$ to $t=3\;s$, is ________ J.

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12. JEE Main 2026 · 21 Jan · Shift 1 · Potential Energy

    Potential energy ( $V$ ) versus distance ( $x$ ) is given by the graph. Rank various regions as per the magnitudes of the force ( $F$ ) acting on a particle from high to low.

    
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