Work, Energy and Power PYQs - Last 10 Years

AP EAPCET / Physics / Mechanics / 50 recent questions

PhysicsMechanics2016-2025

All Work, Energy and Power PYQs Last 5 Years Create chapter test

Practice 50 AP EAPCET Physics questions from Work, Energy and Power. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

50

PYQs on Page

Physics / Mechanics

2021-2025

Year Range

Based on indexed question metadata

50

Last 5 Years

2021-2025

50

Last 10 Years

2016-2025

Recent Year Trend

2021

2022

2023

2024

2025

202120 max PYQs/year2025

Question Types

50PYQs

MCQ100%

Difficulty Mix

#1 Unknown50

50 in last 5 years50 in last 10 years

Last 10 Years Work, Energy and Power Questions

Showing 50 of 50 filtered questions.

1Work Energy And Power

A body is projected vertically upwards with a velocity of $20 \mathrm{~ms}^{-1}$. If the potential energy of the body at a height of 5 m from the ground is 100 J , then the kinetic energy of the body at a height of 10 m from the ground is
(...

2Work Energy And Power

If a force $(\beta \hat{\mathbf{i}}+2 \hat{\mathbf{j}}+5 \hat{\mathbf{k}}) \mathrm{N}$ acting on a body displaces it through $(2 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}+1 \hat{\mathbf{k}}) \mathrm{m}$, then the work done by the force on the bod...

3Work Energy And Power

If a position dependent force $\left(3 x^2-2 x+7\right) \mathrm{N}$ acting on a body of mass 2 kg displaces it from $x=0 \mathrm{~m}$ to $x=5 \mathrm{~m}$, then the work done by the force is

4Work Energy And Power

If the potential energy of a particle of mass 0.1 kg moving along $X$-axis is $5 x(x-4) \mathrm{J}$, then the speed of the particle is maximum at a position of

5Work Energy And Power

A motor can pump 7560 kg of water per hour from a well of depth 100 m . If the efficiency of the pump is $70 \%$, then power of the pump is
(Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

6Work Energy And Power

If a constant force of $(2 \hat{\mathbf{i}}+3 \hat{\mathbf{j}}+4 \hat{\mathbf{k}}) \mathrm{N}$ acting on a body of mass 5 kg displaces it from $(3 \hat{\mathbf{i}}-4 \hat{\mathbf{k}}) \mathrm{m}$ to $(2 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}+3...

7Work Energy And Power

If a force $\mathbf{F}=(3 \hat{\mathbf{i}}-2 \hat{\mathbf{j}}) \mathrm{N}$ acting on a body displaces it from point $(1 \mathrm{~m}, 2 \mathrm{~m})$ to point $(2 \mathrm{~m}, 0 \mathrm{~m})$, then work done by the force is

8Work Energy And Power

A body of mass ' $M$ ' is moving with a uniform speed of ' $V^{\prime}$ on a frictionless horizontal surface under the influence of two forces $F_1$ and $F_2$ as shown in the figure. The net power of the system is

9Work Energy And Power

A car of mass 2000 kg is accelerating from rest. If its engine is supplying constant power of 10 kW , then the velocity of the car at a time of 10 s is

10Work Energy And Power

If a force of $\left(6 x^2-4 x\right) \mathrm{N}$ acts on a body of mass 10 kg , then work to be done by the force in displacing the body from $x=2 \mathrm{~m}$ to $x=4 \mathrm{~m}$ is

11Work Energy And Power

A circular well of diameter 2 m has water upto the ground level. If the bottom of the well is at a depth of 14 m , the time taken in seconds to empty the well using a 1.4 kW motor is
(Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

12Work Energy And Power

A body is projected at an angle of $60^{\circ}$ with the horizontal. If the initial kinetic energy of the body is $X$, then its kinetic energy at the highest point is

13Work Energy And Power

A body is moving along a straight line under the influence of a constant power source. If the relation between the displacement $(s)$ of the body and time $(t)$ is $s \propto t^x$, then $x=$

14Work Energy And Power

A train of mass $10^6 \mathrm{~kg}$ is moving at a constant speed of $108 \mathrm{~km} / \mathrm{h}$. If the frictional force acting on it is 0.5 N per 100 kg , then the power of the train is

15Work Energy And Power

A crane of efficiency $80 \%$ is used to lift 8000 kg of coal from a mine of depth 108 m . If the time taken by the crane to lift the coal is one hour, then the power of the crane (in kW ) is
(Acceleration due to gravity $=10 \mathrm{~ms}^{...

16Work Energy And Power

Two bodies $A$ and $B$ of masses 20 kg and 5 kg respectively are at rest. Due to the action of a force of 40 N separately, if the two bodies acquire equal kinetic energies in times $t_A$ and $t_B$ respectively, then $t_A: t_B=$

17Work Energy And Power

The bob of a simple pendulum of length 200 cm is released from horizontal position. If $10 \%$ of its initial energy is lost due to air resistance, then the speed of bob at the mean position is
(Acceleration due to gravity $=10 \mathrm{~ms}...

18Work Energy And Power

A person holds a ball of mass 0.25 kg in his hand and throws it, so that it leaves his hand with a speed of $12 \mathrm{~ms}^{-1}$. In this process, if his hand moved through a distance of 0.9 m , then the net force acted on the ball is

19Work Energy And Power

The power required for an engine to maintain a constant speed of $50 \mathrm{~ms}^{-1}$ for a train of mass $3 \times 10^6 \mathrm{~kg}$ on rough rails is
(The coefficient of kinetic friction between the rails and wheels of the train is 0.0...

20Work Energy And Power

The linear momentum of a body of mass 8 kg is $24 \mathrm{~kg} \mathrm{~ms}^{-1}$. If a constant force of 24 N acts on the body in the direction of motion of the body for a time of 3 s , then the increase in the kinetic energy of the body i...

21Work Energy And Power

A particle of mass $m$ at rest on a rough horizontal surface with a coefficient of friction $\mu$ is given a
velocity $u$. The average power imparted by friction before it stops

22Work Energy And Power

The average power generated by a 90 kg mountain climber who climbs a summit of height 600 m in 90 min is (Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

23Work Energy And Power

A body thrown vertically upwards from the ground reaches a maximum height $H$. The ratio of the velocities of the body at heights $\frac{3 H}{4}$ and $\frac{8 H}{9}$ from the ground is

24Work Energy And Power

A force of $(4 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}+\hat{\mathbf{k}}) \mathrm{N}$ is action on a particle of mass 2 kg displaces the particle from a position of $(2 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}+\hat{\mathbf{k}})$ $m$ to a position of ...

25Work Energy And Power

A spring of spring constant $200 \mathrm{~N}-\mathrm{m}^{-1}$ is initially stretched by 10 cm from the unstretched position. The work to be done to stretch the spring further by another 10 cm is

26Work Energy And Power

The upper $\left(\frac{1}{n}\right)$ th of an inclined plane is smooth and the remaining lower part is rough with coefficient of friction $\mu_k$. If a body starting from rest at the top of the inclined plane will again come to rest at the...

27Work Energy And Power

A light body of momentum $p_L$ and a heavy body of momentum $p_H$ both have the same kinetic energy, then

28Work Energy And Power

A machine with efficiency $\frac{2}{3}$ used 12 J of energy in lifting 2 kg block through certain height and it is allowed to fall through the same. The velocity while it reach the ground is

29Work Energy And Power

A $4 \mathrm{~kg}$ mass is suspended as shown in figure. All pulleys are frictionless and spring constant $k$ is $8 \times 10^3 \mathrm{Nm}^{-1}$. The extension in spring is $\left(g=10 \mathrm{~ms}^{-2}\right)$

30Work Energy And Power

Two bodies $A$ and $B$ of masses $2 m$ and $m$ are projected vertically upwards from the ground with velocities $u$ and $2 u$ respectively. The ratio of the kinetic energy of body $A$ and the potential energy of body $B$ at height equal to ...

31Work Energy And Power

A force of $\left(6 x^2-4 x+3\right) \mathrm{N}$ acts on a body of mass 0.75 kg and displaces it from $x=2 \mathrm{~m}$ to $x=5 \mathrm{~m}$. The work done by the force is

32Work Energy And Power

A spring of $5 \times 10^3 \mathrm{Nm}^{-1}$ spring constant is stretched initially by 10 cm from unstretched position. The work required to stretch it further by another 10 cm is

33Work Energy And Power

A machine gun fires 300 bullets per minute each with a velocity of $500 \mathrm{~ms}^{-1}$. If the mass of each bullet is 4 g . The power of the machine gun is

34Work Energy And Power

In the case of non-conservative forces, the following statement is correct.

35Work Energy And Power

A body of mass 2 kg is moving with a constant acceleration of $(2 \hat{\mathbf{i}}+3 \hat{\mathbf{j}}-\hat{\mathbf{k}}) \mathrm{ms}^{-2}$. If the displacement made by the body is $(3 \hat{\mathbf{i}}-\hat{\mathbf{j}}+2 \hat{\mathbf{k}}) \ma...

36Work Energy And Power

A small disc of mass \(m\) slides down with initial velocity zero from the top \((A)\) of a smooth hill of height \(H\) having a horizontal portion \((BC)\) as shown in the figure. If the height of the horizontal portion of the hill is $$h$...

37Work Energy And Power

A block of mass 50 kg is pulled with a constant speed of \(4 \mathrm{~ms}^{-1}\) across a horizontal floor by an applied force of 500 N directed \(30^{\circ}\) above the horizontal. The rate at which the force does work on the block in watt...

38Work Energy And Power

A mass of 1 kg falls from a height of 1 m and lands on a massless platform supported by a spring having spring constant \(15 \mathrm{~Nm}^{-1}\) as shown in the figure. The maximum compression of the spring is (acceleration due to gravity $...

39Work Energy And Power

A bead of mass 400 g is moving along a straight line under a force that delivers a constant power 1.2 W to the bead. If the bead is initially at rest, the speed it attains after 6 s in \(\mathrm{ms}^{-1}\)

40Work Energy And Power

A ball of mass 300 g is dropped from a height 10 m above a sandy ground. On reaching the ground, it penetrates through a distance 1.5 m in sand and finally stops. The average resistance offered by the sand to oppose the motion is (accelerat...

41Work Energy And Power

A uniform chain has a mass m and length \(l\).
It is held on a frictionless table with
one-sixth of its length hanging over the edge.
The work done in just pulling the hanging
part back on the table is

42Work Energy And Power

A rifle bullet loses \(\left(\frac{1}{25}\right)\)th of its velocity in passing through a plank. The least number of such planks required just to stop the bullet is

43Work Energy And Power

When a force F = 17 \(-\) 2x + 6x\(^2\)N acts on a body of mass 2 kg and displaces it from x = 0 m to x = 8 m, the work done is

44Work Energy And Power

The range of a projectile is 100 m. Its kinetic
energy will be maximum after covering a
distance of

45Work Energy And Power

Water is falling on the blades of a turbine from a height of \(25 \mathrm{~m}\) and \(3 \times 10^3 \mathrm{~kg}\) of water pours on the blade per minute. If the whole of energy is transferred to the turbine, then power delivered is

46Work Energy And Power

Two bodies having kinetic energy in the ratio
4 : 1, are moving with same linear velocity.
The ratio of their masses is

47Work Energy And Power

An engine develops 20 kW of power. How
much time will it take to lift a mass of 200 kg
to a height of 40 m? (g = 10 ms\(^{-2}\)
)

48Work Energy And Power

A body of mass 8 kg, under the action of a
force, is displaced according to the equation, \(s=\frac{t^2}{4}\) m, where t is the time. Find the work done by the force in the first 4 s.

49Work Energy And Power

A quarter horse power motor runs at a speed
of 600 rpm. Assuming 60% efficiency, the
work done by the motor in one rotation is

50Work Energy And Power

What is the shape of the graph between
speed and kinetic energy of a body?