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
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Question # 1
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 # 2
The energy which an -e acquires when accelerated through a potential difference of 1 volt is called?
Question # 3
3 joules of work is done in 3 seconds, then power is:
Question # 4
Which of the following work is greater?
Question # 5
If the stone is thrown up vertically and return to ground, its potential energy is maximum
Question # 6
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 # 7
An elevator's motor produces 3000 W power. The speed With Which it can lift a 1000 kg load is:
Question # 8
You lift a suit case from the floor and keep it on a table. The work done by you on the suitcase does not depend on
Question # 9
Which of the following is a unit of energy?
Question # 10
A force of 6 N act horizontally on a stationary mass of 2kg for 4s. The kineticenergy in joule is
Question # 11
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:
Question # 12
A body is dropped from a height of 20 m and rebounds to a height of 10 m. the loss of energy is:
Question # 13
A ball is thrown vertically upwards. Neglecting air resistance, which statement is correct?
Question # 14
In a gravitational field when work done by gravity is negative then
Question # 15
If the velocity of a body becomes half, the kinetic energy of body will become
Question # 16
The energy stored in wound watch spring is
Question # 17
The power needed to lift amass of 5000g to height of 1min 2 second is
Question # 18
A light and a heavy body have equal momenta. Which one has greater K.E?
Question # 19
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 # 20
A man pushes a wall and fails to displace it. He does:
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.
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Hassan Faraz22 - Nov - 2024
02 Min 30 Sec
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00 Min 15 Sec
19/20
Somi khan Somi khan23 - Nov - 2024
02 Min 16 Sec
17/20
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Abiha Aamir04 - Jan - 2025
09 Min 49 Sec
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04 Min 09 Sec
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Saim G07 - Aug - 2025
16 Min 44 Sec
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Naveed Ahmad22 - Nov - 2024
04 Min 21 Sec
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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
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mmms khokhar05 - Dec - 2024
05 Min 41 Sec
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Seharfatima04 - Dec - 2024
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MCAT
Physics
Chapter 3
Important MCQ's
Sr.#
Question
Answer
1
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:
A. 300 N-m
B. 420 N-m
C. 720 N-m
D. none of these
2
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
3
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
A. 20
B. 200
C. 2
D. 10
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
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
6
Work done in raising a box depends on:
A. How fast it is raised
B. The strength of the man
C. The height by which it is raised
D. None of the above
7
You lift a suit case from the floor and keep it on a table. The work done by you on the suitcase does not depend on
A. the path taken by the suitcase
B. weight of the suitcase
C. initial and final position
D. None
8
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
9
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
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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.??