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 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:

Question # 2

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 # 3

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 # 4

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

Question # 5

Which of the following work is greater?

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

If the momentum of a body is increased n times, its kinetic energy increases:

Question # 8

Work done in raising a box depends on:

Question # 9

The gravity does no work, when the body moves:

Question # 10

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

Question # 11

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 # 12

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

Question # 13

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

Question # 14

Which of the following is a unit of energy?

Question # 15

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

Question # 16

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

Question # 17

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 # 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

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 # 20

The energy stored in wound watch spring 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 Which of the following types of force can do no work on the particle on which it acts?
A. Frictional force
B. Gravitational force
C. Elastic force
D. Centripetal force
2 In an explosion a body breaks up into two pieces of unequal masses. In this:
A. Both parts will have numerically equal momentum
B. Lighter part will have more momentum
C. Heavier part will have more momentum
D. Both parts will have equal kinetic energy
3 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
4
An elevator's motor produces 3000 W power. The speed With Which it can lift a 1000 kg load is:
A. 30.6ms-1
B. 0.306ms-1
C. 3.06ms-1
D. 300.3ms-1
5 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
6 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
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 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
9 The energy stored in wound watch spring is
A. K.E.
B. P.E.
C. heat energy
D. chemical energy
10 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

Test Questions

Share your comments & questions here

Guest
  • Aleeza Ilyas

    Aleeza Ilyas

    05 Aug 2022

    Answer key is mostly wrong sir

    Like
    Reply
  • ADEEL

    ADEEL

    14 Apr 2019

    ..

    Like
    Reply
  • ahmer

    ahmer

    02 Nov 2018

    12

    Like
    Reply
  • Sanam khan

    Sanam khan

    12 May 2018

    Test Dana k bad ksa pata Chala GA k Mara konsa mcqs wrong ha 😛 I got 94 marks out of 100

    Like
    Reply
  • Sheza fiaz

    Sheza fiaz

    18 Apr 2018

    How can we become a member of ths website.??

    Like
    Reply