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 bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 ms1 The KE of other mass is

Question # 2

If the velocity of a body becomes half, the kinetic energy of body will become

Question # 3

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:

Question # 4

Initially, four identical uniform blocks, each of mass m and thickness h, are spread on a table How much work is done on the blocks in stacking them on top of one another?

Question # 5

Ratio of dimension of K.E and power is:

Question # 6

The energy which an -e acquires when accelerated through a potential difference of 1 volt is called?

Question # 7

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

Question # 8

The power needed to lift amass of 5000g to height of 1min 2 second is

Question # 9

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

Question # 10

An electric motor exerts a force of 40 N on a cable and pulls it by a distance of 30 m in one minute. The power supplied by the motor in watts is

Question # 11

The time taken by an engine of power 10 kW to lift a mass of 200 kg to a heightof 40 m is (g + 10ms2)

Question # 12

. 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.

Question # 13

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 # 14

An engine pumps up 100 kg of water through a height of 10m in 5s. Given that the efficiency of the engine is 60%, what is the power of the engine? (Take g = 10ms-2)

Question # 15

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

Question # 16

Car X is traveling at half the speed of car Y. Car X has twice mass of car Y.
Which statement is correct?

Question # 17

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

Question # 18

The gravity does no work, when the body moves:

Question # 19

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

Question # 20

A person holds a bucket of weight 60N. He walks 7 m along the horizontal path and then climbs up a vertical distance of 5 m. The work done by the man is:

Submit

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


Topic Test

00:00
Submit

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

  • U
    Urwa Kanwal 05 - Oct - 2026 02 Min 08 Sec 20/20
  • 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
  • S
    shazia arshad 01 - Sep - 2026 17 Min 42 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

MCAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 3 joules of work is done in 3 seconds, then power is:
A. 6 watt
B. 3 watt
C. 18 watt
D. 1 watt
2 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
3 The power needed to lift amass of 5000g to height of 1min 2 second is
A. 2.45 watt
B. 24.5 watt
C. 245 watt
D. 2.45 k watt
4 The gravity does no work, when the body moves:
A. Horizontally
B. Vertically upwards
C. Vertically downward
D. At an angle of 45o with horizontal
5 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
6 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
7 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
8 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:
A. Zero
B. 9.8 J
C. 19.6 J
D. 329 J
9 A man pushes a wall and fails to displace it. He does:
A. Negative work
B. Positive but not maximum work
C. No work at all
D. Maximum work
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

Test Questions