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
MDCAT Physics Chapter 3 Work ,Energy & Power Online Test
00:00
Question # 1
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 # 2
In a gravitational field when work done by gravity is negative then
Question # 3
The gravity does no work, when the body moves:
Question # 4
A stone is thrown up from the surface of earth when it reaches at maximum height. its total energy is equal to
Question # 5
Which of the following is a unit of energy?
Question # 6
When a person lifts a body from ground work done by lifting force is?
Question # 7
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 # 8
The power needed to lift amass of 5000g to height of 1min 2 second is
Question # 9
A body is dropped from a height of 20 m and rebounds to a height of 10 m. the loss of energy is:
Question # 10
A ball is thrown vertically upwards. Neglecting air resistance, which statement is correct?
Question # 11
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 # 12
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 # 13
Car X is traveling at half the speed of car Y. Car X has twice mass of car Y.
Which statement is correct?
Question # 14
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 # 15
The energy which an -e acquires when accelerated through a potential difference of 1 volt is called?
Question # 16
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 # 17
If the stone is thrown up vertically and return to ground, its potential energy is maximum
Question # 18
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 # 19
A light and a heavy body have equal momenta. Which one has greater K.E?
Question # 20
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
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
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Hassan Faraz22 - Nov - 2024
02 Min 30 Sec
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Madhanlal Mooorani25 - Nov - 2024
00 Min 15 Sec
19/20
Somi khan Somi khan23 - Nov - 2024
02 Min 16 Sec
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A
Abiha Aamir04 - Jan - 2025
09 Min 49 Sec
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Shamima Akhtar16 - Dec - 2024
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Saim G07 - Aug - 2025
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Naveed Ahmad22 - Nov - 2024
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Homehaiyemera 78629 - Nov - 2024
07 Min 09 Sec
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jannat tariq01 - Dec - 2024
04 Min 40 Sec
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Paras Jatoi03 - Jan - 2025
08 Min 19 Sec
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Kashaf Raza18 - Dec - 2024
09 Min 14 Sec
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Sara Javaid14 - Jan - 2025
04 Min 19 Sec
12/20
M
mmms khokhar05 - Dec - 2024
05 Min 41 Sec
12/20
S
Seharfatima04 - Dec - 2024
07 Min 10 Sec
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MCAT
Physics
Chapter 3
Important MCQ's
Sr.#
Question
Answer
1
. 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
2
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
3
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
4
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
A. 5 J
B. 350 J
C. 100 J
D. 3430 J
5
Which of the following is a unit of energy?
A. unit
B. whatt
C. Horse Power
D. None of the above
6
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
7
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
8
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
9
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
10
Which of the following types of force can do no work on the particle on which it acts?
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Aleeza Ilyas
05 Aug 2022Answer key is mostly wrong sir
ADEEL
14 Apr 2019..
ahmer
02 Nov 201812
Sanam khan
12 May 2018Test Dana k bad ksa pata Chala GA k Mara konsa mcqs wrong ha 😛 I got 94 marks out of 100
Sheza fiaz
18 Apr 2018How can we become a member of ths website.??