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 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

Question # 2

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

Question # 3

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 # 4

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

Question # 5

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

Question # 6

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 # 7

A body is dropped from a height of 20 m and rebounds to a height of 10 m. the loss of energy is:

Question # 8

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 # 9

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

Question # 10

A man weighing 500 N carries a load of 10 kg to the top of a building in 4 minutes. The work done by the man is 6 × 𝟏𝟎4 J. If he carries the same load in 8 minutes, the work done by the man will be:

Question # 11

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

Question # 12

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

Question # 13

Kinetic energy of a body moving with speed of 10 ms-1 is 30 J. If its speed becomes30 ms-1 then its K.E becomes

Question # 14

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 # 15

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

Question # 16

. 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 # 17

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 # 18

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:

Question # 19

A 50 kg man with 20 kg load on his head climbs up 20 steps of 0.25 m height each. The work done in climbing is

Question # 20

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

  • 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

MCAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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?
A. 2 mgh
B. 3 mgh
C. 4mgh
D. 6mgh
2 Which of the following is a unit of energy?
A. unit
B. whatt
C. Horse Power
D. None of the above
3 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
4 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
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 force 𝑭 = (𝟓𝒊̂+ 𝟑𝖩̂) newton is applied over a particle which displaces it from its origin to the point 𝒓 = (𝟐𝒊̂− 𝟏𝖩̂) meters. The work done on the particle is:
A. – 7 joules
B. +13 joules
C. + 7 joules
D. +11 joules
7 3 joules of work is done in 3 seconds, then power is:
A. 6 watt
B. 3 watt
C. 18 watt
D. 1 watt
8 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
9 Kinetic energy of a body moving with speed of 10 ms-1 is 30 J. If its speed becomes30 ms-1 then its K.E becomes
A. 10J
B. 270 J
C. 90J
D. 180 J
10 When the velocity of a body is doubled:
A. Its K.E is doubled
B. Its P.E is doubled
C. Its momentum is doubled
D. Its acceleration is doubled

Test Questions

Is this page helpful?