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Previous year question hub

Work Power And Energy - Mechanics - Physics Previous Year Questions

Practice Work Power And Energy - Mechanics - Physics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

10Papers
10Years
13Questions
1Topics

Work Power And Energy question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Work Power And Energy. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 13 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 13 100%

Subject weightage

Top subjects by unique question coverage.

Physics
13 Qs

Most asked topics

Top topics across the included previous year papers.

Mechanics
13 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Work Power And Energy
13 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

WB JEE 2025
1 Qs
WB JEE 2024
1 Qs
WB JEE 2023
2 Qs
WB JEE 2022
2 Qs
WB JEE 2021
2 Qs
WB JEE 2020
1 Qs
WB JEE 2019
1 Qs
WB JEE 2017
1 Qs
WB JEE 2016
1 Qs
WB JEE 2008
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
WB JEE 202520251View paper
WB JEE 202420241View paper
WB JEE 202320232View paper
WB JEE 202220222View paper
WB JEE 202120212View paper
WB JEE 202020201View paper
WB JEE 201920191View paper
WB JEE 201720171View paper
WB JEE 201620161View paper
WB JEE 200820081View paper

All Work Power And Energy previous year questions

Practice every matching question in batches of 20, with every available option.

1
2016 · Physics · Mechanics · Work Power And Energy
WB JEE 2016
Work done for a certain spring when stretched through 1 mm is 10 joule. The amount of work that must be done on the spring to stretch it further by 1 mm is
A
30 J
B
40 J
C
10 J
D
20 J
Open complete paper
2
2017 · Physics · Mechanics · Work Power And Energy
WB JEE 2017
A bullet of mass 4.2 \(\times\) 10\(-\)2 kg, moving at a speed of 300 ms\(-\)1, gets stuck into a block with a mass 9 times that of the bullet. If the block is free to move without any kind of friction, the heat generated in the process will be
A
45 cal
B
405 cal
C
450 cal
D
1701 cal
Open complete paper
3
2019 · Physics · Mechanics · Work Power And Energy
WB JEE 2019
A body starts from rest, under the action of an engine working at a constant power and moves along a straight line. The displacement s is given as a function of time (t) as
A
s = at + bt2, a and b are constants
B
s = bt2, b is a constant
C
s = at3/2, a is a constant
D
s = at, a is a constant
Open complete paper
4
2020 · Physics · Mechanics · Work Power And Energy
WB JEE 2020
Consider an engine that absorbs 130 cal of heat from a hot reservoir and delivers 30 cal heat to a cold reservoir in each cycle. The engine also consumes 2 J energy in each cycle to overcome friction. If the engine works at 90 cycles per minute, what will be the maximum power delivered to the load? [Assume the thermal equivalent of heat is 4.2 J/cal]
A
816 W
B
819 W
C
627 W
D
630 W
Open complete paper
5
2021 · Physics · Mechanics · Work Power And Energy
WB JEE 2021
WB JEE 2021 Physics - Work Power & Energy Question 8 English
A block of mass m slides with speed v on a frictionless table towards another stationary block of mass m. A massless spring with spring constant k is attached to the second block as shown in figure. The maximum distance, the spring gets compressed through is
A
\(\sqrt {{m \over k}} v\)
B
\(\sqrt {{m \over {2k}}} v\)
C
\(\sqrt {{k \over m}} v\)
D
\(\sqrt {{k \over {2m}}} v\)
Open complete paper
6
2021 · Physics · Mechanics · Work Power And Energy
WB JEE 2021
The potential energy of a particle of mass 0.02 kg moving along X-axis is given by V = Ax (x \(-\) 4) J, where x is in metre and A is a constant. Which of the following statements is/are correct?
A
The particle is acted upon by a constant force.
B
The particle executes simple harmonic motion.
C
The speed of the particle is maximum at x = 2 m.
D
The period of oscillation of the particle is \({\pi \over 5}sec\).
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7
2022 · Physics · Mechanics · Work Power And Energy
WB JEE 2022

A particle is moving in x-y plane according to \(\overrightarrow r = b\cos \omega t\widehat i + b\sin \omega t\widehat j\), where \(\omega\) is constant. Which of the following statement(s) is/are true?

A
\({E \over \omega }\) is a constant where E is the total energy of the particle.
B
The trajectory of the particle in x-y plane is a circle.
C
In ax - ay plane, trajectory of the particle is an ellipse (ax, ay denotes the components of acceleration)
D
\(\overrightarrow a = {\omega ^2}\overrightarrow v\)
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8
2022 · Physics · Mechanics · Work Power And Energy
WB JEE 2022

The kinetic energy (Ek) of a particle moving along X-axis varies with its position (X) as shown in the figure. The force acting on the particle at X = 10 m is

WB JEE 2022 Physics - Work Power & Energy Question 6 English

A
5\(\widehat i\) N
B
0 N
C
97.5\(\widehat i\) N
D
\(-\)5\(\widehat i\) N
Open complete paper
9
2023 · Physics · Mechanics · Work Power And Energy
WB JEE 2023

A uniform rope of length 4 m and mass 0.4 kg is held on a frictionless table in such a way that 0.6 m of the rope is hanging over the edge. The work done to pull the hanging part of the rope on to the table is, (Assume g = 10 m/s\(^2\))

A
0.36 J
B
0.24 J
C
0.12 J
D
0.18 J
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10
2023 · Physics · Mechanics · Work Power And Energy
WB JEE 2023

A train is moving along the tracks at a constant speed u. A girl on the train throws a ball of mass m straight ahead along the direction of motion of the train with speed \(\mathrm{v}\) with respect to herself. Then

A
Kinetic energy of the ball as measured by the girl on the train is \(\mathrm{mv}^{2} / 2\).
B
Work done by the girl in throwing the ball is \(\mathrm{mv}^{2} / 2\).
C
Work done by the train is mvu.
D
The gain in kinetic energy of the ball as measured by a person standing by the rail track is \(\mathrm{mv}^{2} / 2\).
Open complete paper
11
2024 · Physics · Mechanics · Work Power And Energy
WB JEE 2024

The following figure shows the variation of potential energy \(V(x)\) of a particle with distance \(x\). The particle has

WB JEE 2024 Physics - Work Power & Energy Question 2 English

A
Two equilibrium points, one stable another unstable
B
Two equilibrium points, both stable
C
Three equilibrium points, one stable two unstable
D
Three equilibrium points, two stable one unstable
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12
2025 · Physics · Mechanics · Work Power And Energy
WB JEE 2025
The velocity-time graph for a body of mass 10 kg is shown in the figure. Work done on the body in the first two seconds of motion is : WB JEE 2025 Physics - Work Power & Energy Question 1 English
A
-9300 J
B
12000 J
C
-4500 J
D
-12000 J
Open complete paper
13
2008 · Physics · Mechanics · Work Power And Energy
WB JEE 2008

A body of mass 3 kg acted upon by a constant force is displaced by S meter, given by relation \(S = {1 \over 3}{t^2}\), where t is in second. Work done by the force in 2 seconds

A
\({8 \over 3}J\)
B
\({{19} \over 5}J\)
C
\({5 \over {19}}J\)
D
\({3 \over 8}J\)
Open complete paper