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MCQ's Test For ECAT Physics Chapter 4 Work and Energy
Try The MCQ's Test For ECAT Physics Chapter 4 Work and Energy
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 4 Work and Energy
00:00
Question # 1
Work is a:
Question # 2
Work done on a body by gravity in lifting it up to certain height is
Question # 3
The field in which work done in moving a body between two points depends upon the path followed is called:
Question # 4
When the body is moves against the force of friction on a horizontal plane, the work done by the body is:
Question # 5
Work done is maximum when angle between force and displacement is
Question # 6
Work done by the force of friction is always
Question # 7
A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:
Question # 8
1 J = ________?
Question # 9
Tick the conservative force
Question # 10
The commercial unit of electrical energy is :
Question # 11
The work done in moving a body between two points in a conservation field is independent of the:
Question # 12
The angle between centripetal force and displacement of the body moving in a circle is:
Question # 13
The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is
Question # 14
If we draw a graph between d (along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis, then area under this straight line represents:
Question # 15
Work done is lowering the bucket into the well is:
Top Scorers Of ECAT Physics Chapter 4 Work and Energy MCQ`s Test
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D dark goblin 10 - Jul - 2024 00 Min 49 Sec 60/60 -
A ali moid 21 - Jul - 2024 00 Min 57 Sec 60/60 -
Z Z G 07 - Jun - 2024 01 Min 52 Sec 60/60 -
A Ahmad Khan 23 - Aug - 2024 04 Min 49 Sec 60/60 -
M Manoush Fatima 29 - May - 2024 06 Min 16 Sec 60/60 -
S Sara Hannan 28 - Nov - 2024 06 Min 23 Sec 60/60 -
H Hussain Iqbal 23 - Jan - 2026 01 Min 25 Sec 56/60 -
T Tasser Haider 30 - May - 2024 02 Min 08 Sec 55/60 -
A Abdullah Baloch 08 - Aug - 2024 02 Min 22 Sec 55/60 -
M Muhammad Hashim 31 - May - 2024 02 Min 23 Sec 55/60 -
Z Zain hassan Zain 22 - May - 2024 02 Min 34 Sec 55/60 -
A Adil Tarar 18 - Dec - 2024 07 Min 44 Sec 55/60 -
M Maham Mehar 30 - Jul - 2024 09 Min 50 Sec 55/60 -
K Kifayet Ali 27 - May - 2024 05 Min 33 Sec 50/60 -
M M And M Gaming 04 - Jun - 2024 08 Min 49 Sec 50/60
ECAT Physics Chapter 4 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Work done is lowering the bucket into the well is: |
A. Zero
B. Positive
C. Negative
D. None of these
|
| 2 | The commercial unit of electrical energy is : |
A. K Watt
B. KWH
C. Horse power
D. Joule
|
| 3 | Area under the force displacement graph gives |
A. Power
B. Work
C. Heat
D. Energy
|
| 4 | When the body is moves against the force of friction on a horizontal plane, the work done by the body is: |
A. Positive
B. Negative
C. Zero
D. None of these
|
| 5 | A 100 Kg car is moving at the speed of 10 m/sec and comes to rest after covering a distance of 50 m. The amount of work done against the friction is: |
A. +5 X 101J
B. +5 X 102J
C. +5 X 103J
D. +5 X 104J
|
| 6 | Work done by the force of friction is always |
A. Positive
B. Zero
C. Negative
D. Maximum
|
| 7 | The work done on the body will be zero if: |
A. No force is applied on the body
B. Force is applied but no displacement
C. Angle between F(force) and d(displacement) is 90°
D. All of these are correct
|
| 8 | The consumption of energy by a 60 W bulb in 2 minutes is: |
A. 2 watt-hour
B. 120 watt-hour
C. 30 watt-hour
D. None of these
|
| 9 | Which one is conservative force |
A. Electric force
B. Frictional force
C. Normal force
D. Air resistance
|
| 10 | The tidal energy is produced due to rotation of Earth relative to: |
A. Moon
B. Sun
C. Oceans
D. Water
|
Test Questions
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