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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
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Total Questions20
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Time Allowed20
MDCAT Physics Chapter 3 Work ,Energy & Power Online Test
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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
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 # 3
The energy which an -e acquires when accelerated through a potential difference of 1 volt is called?
Question # 4
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 # 5
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
Question # 6
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 # 7
3 joules of work is done in 3 seconds, then power is:
Question # 8
The gravity does no work, when the body moves:
Question # 9
A ball is thrown vertically upwards. Neglecting air resistance, which statement is correct?
Question # 10
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 # 11
The power needed to lift amass of 5000g to height of 1min 2 second is
Question # 12
In a gravitational field when work done by gravity is negative then
Question # 13
A stone is thrown up from the surface of earth when it reaches at maximum height. its total energy is equal to
Question # 14
When the velocity of a body is doubled:
Question # 15
If the momentum of a body is increased n times, its kinetic energy increases:
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
If the stone is thrown up vertically and return to ground, its potential energy is maximum
Question # 18
A light and a heavy body have equal momenta. Which one has greater K.E?
Question # 19
A man pushes a wall and fails to displace it. He does:
Question # 20
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
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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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 | 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
|
| 2 | A body is dropped from a height of 20 m and rebounds to a height of 10 m. the loss of energy is: |
A. 10%
B. 45%
C. 50%
D. 75%
|
| 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 | The body at rest may have: |
A. Energy
B. Momentum
C. Speed
D. Velocity
|
| 5 | A light and a heavy body have equal momenta. Which one has greater K.E? |
A. The light body
B. The heavy body
C. The K.E are equa
D. Data is incomplete
|
| 6 | 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
|
| 7 | 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
|
| 8 | 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
|
| 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 | A force of 6 N act horizontally on a stationary mass of 2kg for 4s. The kineticenergy in joule is |
A. 12
B. 72
C. 56
D. 888
|
Test Questions
Share your comments & questions here
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.??