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
If the momentum of a body is increased n times, its kinetic energy increases:
Question # 2
Which of the following is a unit of energy?
Question # 3
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 # 4
An elevator's motor produces 3000 W power. The speed With Which it can lift a 1000 kg load is:
Question # 5
An engine pumps up 100 kg of water through a height of 10m in 5s. Given that the efficiency of the engine is 60%, what is the power of the engine? (Take g = 10ms-2)
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
The body at rest may have:
Question # 8
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 # 9
When the velocity of a body is doubled:
Question # 10
The gravity does no work, when the body moves:
Question # 11
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 # 12
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 # 13
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 # 14
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 # 15
A light and a heavy body have equal momenta. Which one has greater K.E?
Question # 16
Ratio of dimension of K.E and power is:
Question # 17
Which of the following work is greater?
Question # 18
If the K.E. of a body is increased by 300%, its momentum will increase by:
Question # 19
When a person lifts a body from ground work done by lifting force is?
Question # 20
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:
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 Faraz22 - Nov - 2024
02 Min 30 Sec
20/20
M
Madhanlal Mooorani25 - Nov - 2024
00 Min 15 Sec
19/20
Somi khan Somi khan23 - Nov - 2024
02 Min 16 Sec
17/20
A
Abiha Aamir04 - Jan - 2025
09 Min 49 Sec
17/20
S
Shamima Akhtar16 - Dec - 2024
04 Min 09 Sec
16/20
S
Saim G07 - Aug - 2025
16 Min 44 Sec
16/20
N
Naveed Ahmad22 - Nov - 2024
04 Min 21 Sec
15/20
H
Homehaiyemera 78629 - Nov - 2024
07 Min 09 Sec
15/20
J
jannat tariq01 - Dec - 2024
04 Min 40 Sec
13/20
P
Paras Jatoi03 - Jan - 2025
08 Min 19 Sec
13/20
K
Kashaf Raza18 - Dec - 2024
09 Min 14 Sec
13/20
S
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
12/20
MCAT
Physics
Chapter 3
Important MCQ's
Sr.#
Question
Answer
1
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
2
Which of the following is a unit of energy?
A. unit
B. whatt
C. Horse Power
D. None of the above
3
The energy stored in wound watch spring is
A. K.E.
B. P.E.
C. heat energy
D. chemical energy
4
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
5
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
6
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
7
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
8
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%
9
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:
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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.??