MDCAT Physics Chapter 3 MCQ Test With Answer for ( Work ,Energy & Power)

Chapter 3 of Physics is an essential part of the MDCAT preparation. The students preparing for the exam must solve the MCQs available on this platform. For the convenience of the students, the answers are also uploaded here so the students can learn about their preparation level for the exam. The Chapter on Rotational and Circular Motion has various formulas that the students must memorize.

MCQ's Test For MDCAT Physics Chapter 3 Work ,Energy & Power Online Test

Try The MCQ's Test For MDCAT Physics Chapter 3 Work ,Energy & Power Online Test

  • Total Questions20

  • Time Allowed20

Start Test Download PDF

MDCAT Physics Chapter 3 Work ,Energy & Power Online Test

00:00
Question # 1

A man M1 of mass 80 kg runs up a staircase in 15s. Another man M2 also of mass 80 kg runs up the same staircase in 20s. The ratio of the power developed by them will be

Question # 2

A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 joules, the angle which the force makes with the direction of motion of the body is?

Question # 3

Ratio of dimension of K.E and power is:

Question # 4

The same retarding force is applied to stop a train. The train stops after 80 m. If the speed is doubled, then the Stopping distance will be:

Question # 5

A stone is thrown up from the surface of earth when it reaches at maximum height. its total energy is equal to

Question # 6

In a gravitational field when work done by gravity is negative then

Question # 7

The gravity does no work, when the body moves:

Question # 8

When a person lifts a body from ground work done by lifting force is?

Question # 9

3 joules of work is done in 3 seconds, then power is:

Question # 10

The momentum of a particle is numerically equal to its K.E. What is the velocity of a particle?

Question # 11

A light and a heavy body have equal momenta. Which one has greater K.E?

Question # 12

Two bodies moving towards each other collide and move away in opposite directions. There is some rise in temperature of bodies because a part of the kinetic energy is converted into

Question # 13

If the stone is thrown up vertically and return to ground, its potential energy is maximum

Question # 14

A force of 6 N act horizontally on a stationary mass of 2kg for 4s. The kineticenergy in joule is

Question # 15

A body of mass 3 Kg lies on the surface on the table 2m high. It is moved on the surface by 4m. The change of P.E will be:

Question # 16

Which of the following types of force can do no work on the particle on which it acts?

Question # 17

An engine pumps out 40 kg of water in one second. The water comes out vertically upwards with a velocity of 3ms-1 . What is the power of engine in kilowatt?

Question # 18

In an explosion a body breaks up into two pieces of unequal masses. In this:

Question # 19

A motor boat is travelling with a speed of 3.0 m/sec. If the force on it due to water flow is 500 N, the power of the boat is

Question # 20

An elevator's motor produces 3000 W power. The speed With Which it can lift a 1000 kg load is:

Submit

Prepare Complete Set Wise MDCAT Physics Chapter 3 Work ,Energy & Power Online Test MCQs Online With Answers


Besides cramming, the students should use logic to solve the questions of Physics. The candidates make sure to allocate the proper time to all the topics in this chapter. The practice helps the students to get good scores and strengthen their preparation before the commencement of the MDCAT exam. To get more information about the preparation of MDCAT, stay in touch with us and get a hand on the preparation material.

Top Scorers Of MDCAT Physics Chapter 3 Work ,Energy & Power Online Test MCQ`s Test

  • H
    Hassan Faraz 22 - Nov - 2024 02 Min 30 Sec 20/20
  • M
    Madhanlal Mooorani 25 - Nov - 2024 00 Min 15 Sec 19/20
  • Z
    Zunaira Jabeen Zunaira 12 - Sep - 2025 12 Min 02 Sec 19/20
  • S
    Somi khan Somi khan 23 - Nov - 2024 02 Min 16 Sec 17/20
  • A
    Abiha Aamir 04 - Jan - 2025 09 Min 49 Sec 17/20
  • S
    Shamima Akhtar 16 - Dec - 2024 04 Min 09 Sec 16/20
  • S
    Saim G 07 - Aug - 2025 16 Min 44 Sec 16/20
  • N
    Naveed Ahmad 22 - Nov - 2024 04 Min 21 Sec 15/20
  • H
    Homehaiyemera 786 29 - Nov - 2024 07 Min 09 Sec 15/20
  • J
    jannat tariq 01 - Dec - 2024 04 Min 40 Sec 13/20
  • P
    Paras Jatoi 03 - Jan - 2025 08 Min 19 Sec 13/20
  • K
    Kashaf Raza 18 - Dec - 2024 09 Min 14 Sec 13/20
  • S
    Sara Javaid 14 - Jan - 2025 04 Min 19 Sec 12/20
  • M
    mmms khokhar 05 - Dec - 2024 05 Min 41 Sec 12/20
  • S
    Seharfatima 04 - Dec - 2024 07 Min 10 Sec 12/20
Sr.# Question Answer
1 A motor boat is travelling with a speed of 3.0 m/sec. If the force on it due to water flow is 500 N, the power of the boat is
A. 150 KW
B. 1.5 KW
C. heat energy
D. chemical energy
2 The energy stored in wound watch spring is
A. K.E.
B. P.E.
C. heat energy
D. chemical energy
3 A body of mass m kg is lifted by a man to a height of one meter in 30 sec. Another man lifts the same mass to the same height in 60 sec. The work done by them are in the ratio
A. 1: 2
B. 1: 1
C. 2: 1
D. 4: 1
4 If the stone is thrown up vertically and return to ground, its potential energy is maximum
A. during the upward journey
B. during the upward journey
C. at the maximum height
D. at the bottom
5 A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 joules, the angle which the force makes with the direction of motion of the body is?
A. 0 Degree
B. 30 Degree
C. 60 Degree
D. 90 Degree
6 Which of the following work is greater?
A. + 100J
B. 0 J
C. - 100J
D. Both A and B are equal
7 The same retarding force is applied to stop a train. The train stops after 80 m. If the speed is doubled, then the Stopping distance will be:
A. The same
B. Doubled
C. Halved
D. Four times
8 A light and a heavy body have equal momenta. Which one has greater K.E?
A. The light body
B. The heavy body
C. The K.E are equa
D. Data is incomplete
9
A stone is thrown up from the surface of earth when it reaches at maximum height. its total energy is equal to
A. mgh
B. 1/2 𝑚𝑣2
C. zero
D. 2mgh
10 The energy which an -e acquires when accelerated through a potential difference of 1 volt is called?
A. 1 Joule
B. 1 Electron volt
C. 1 Erg
D. 1 Watt
11 A person weighing 20 mg walks on a level platform with a speed of 2 ms-1 . The work by the person against the force of gravity is:
A. Zero
B. 2J
C. 60J
D. 600J
12 In a gravitational field when work done by gravity is negative then
A. P.E increases
B. P.E decrease
C. None
D. P.E remains same
13 You lift a heavy book from the floor of the room and keep it in the book-shelf having a height 2 m. In this process you take 5 seconds. The work done by you will depend upon:
A. Mass of the book and time taken
B. Weight of the book and height of the book-shelf
C. Height of the book-shelf and time taken
D. Mass of the book, height of the book-shelf and time taken
14 . A force "F1" acts on a body through distance "S1" in the direction of motion and does work "W1". Similarly another force "F2" act on same body through distance "S2" but in opposite to the direction of motion and does work "W2". Now if F1 = F2 and S1 = S2 then which statement is correct.
A. W1 = W2
B. W2< W2
C. W1 > W2
D. W1 = W2= 0
15 If the velocity of a body becomes half, the kinetic energy of body will become
A. One fourth
B. Double
C. Four times
D. Half
16 If the momentum of a body is increased n times, its kinetic energy increases:
A. n times
B. 2 n times
C. √𝑛 times
D. n 2 time
17 3 joules of work is done in 3 seconds, then power is:
A. 6 watt
B. 3 watt
C. 18 watt
D. 1 watt
18 A ball is thrown vertically upwards. Neglecting air resistance, which statement is correct?
A. The kinetic energy of the ball is greatest at the greatest height attained
B. The potential energy of the ball increase uniformly with time during the ascent
C. By the principle of conservation of momentum. The momentum of the ball is constant throughout its motion
D. By the principle of conservation of energy, the total energy of the ball is constant throughout its motion
19 A force of 6 N act horizontally on a stationary mass of 2kg for 4s. The kineticenergy in joule is
A. 12
B. 72
C. 56
D. 888
20 When a person lifts a body from ground work done by lifting force is?
A. Positive
B. Negative
C. Zero
D. Half of positive maximum

Test Questions

Is this page helpful?