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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 scalar product of
Question # 2
The work performed on an object does not depend on:
Question # 3
The work done on the body will be zero if:
Question # 4
In the force applied to parallel to the direction of motion, then the work done is:
Question # 5
Teh consumption of energy by a 1000 watt heater in half an hour is:
Question # 6
A body moves a distance of 10 m among a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which the force makes with the direction of motion of a body is:
Question # 7
The work done in moving a body between two points in a conservation field is independent of the:
Question # 8
Work done is maximum when angle between force and displacement is:
Question # 9
Work is always done on a body when:
Question # 10
When the body is moves against the force of friction on a horizontal plane, the work done by the body is:
Question # 11
Work is product of:
Question # 12
If force and displacement are in opposite direction, the work done is taken as
Question # 13
Work done by the force of friction is always
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 has a dimension as that of:
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 | When a body 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
|
| 2 | The angle between centripetal force and displacement of the body moving in a circle is: |
A. 0°
B. 90°
C. 180°
D. None of these
|
| 3 | Which one is conservative force |
A. Electric force
B. Frictional force
C. Normal force
D. Air resistance
|
| 4 | When force and displacement are perpendicular to each other than work is equal to |
A. Unity
B. Infinity
C. Zero
D. -Fd
|
| 5 | Tick the conservation force: |
A. Tension in a string
B. Air resistance force
C. Elastic spring
D. Frictional force
|
| 6 | If force and displacement are in opposite direction, the work done is taken as: |
A. Positive work
B. Negative work
C. Zero work
D. Infinite work
|
| 7 | The space around the earth within which it expects a force of attraction on other bodies is known as: |
A. Nuclear field
B. Conservative field
C. Electric field
D. Gravitational field
|
| 8 | SI Unit of work is |
A. Nm-1
B. Joule
C. Nms
D. Both a and b
|
| 9 | 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
|
| 10 | When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is |
A. 0.5 J
B. 2 J
C. 0.25 J
D. 1 J
|
Test Questions