Home/ECAT/ECAT Physics Work and Energy Test Online

ECAT Physics Work and Energy Test Online

Maan AliLast Updated: May 26, 2025

Physics Work and Energy MCQS Online Test

ECAT Physics Work and Energy Chapter Online Test

Total Questions:	65
Time Allowed:	40 Minutes
Total Marks:	65
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	ECAT Entry Test Physics Online Test Interview Questions about Physics All Universities Entrance Test Recruitments Tests

ECAT Physics Work and Energy Test Online

Please wait...

Page 1 of 3

Physics

1. The work done in taking a particle from the floor to a table depends on

The speed of the particle

The tie taken in this work

The height of the table

The actual path taken

2. The field, in which is the work done is independent of the path followed, is called

Conservative fields

Varying intensity field

Non-conservative field

None of these

3. The work done by the body is maximum when it has angle

90°

0°

60°

30°

4. The average power and instantaneous power become equal if work is done at:

At variable rate

At uniform rate

Any rate

At high rate

5. The original source of geothermal energy is

Fossil fuels

Biomass

Moon

Earth

6. Work is defined as the dot product of force and displacement but it is a

None of these

Constant quantity

Scalar quantity

Vector quantity

7. The initial velocity with which a body projected upward and never comes back is called

Escape velocity

Terminal velocity

Kinetic energy

None of these

8. Approximate power of a car moving at a speed of 90 kmh¯¹ in watts

1.3 x 10⁷

1.2 x 10⁶

1 x 10⁵

1.4 x 10⁸

9. A truck driver is typing to push a loaded truck with an applied force. Unfortunately, his attempt was unsuccessful the truck stays stationary no matter how hard the driver pushes. How much work is done by the driver?

F/d

Zero

-Fd

10. If the force applied is F and the velocity gained is v, then the power developed is

v/F

Fv²

F/v

11. The value of the escape velocity on the surface of the earth is:

11 m sec¯¹

11 x 10⁸ m sec¯¹

1100 m sec¯¹

12. A man of mass 50 kg jumps to a height of 1 m. His potential energy at the highest point is (g = 10 m/s²)

50 J

500 J

600 J

60 J

13. An average energy used by the car from petrol in its life time

1 x 10¹¹ J

1 x 10⁹ J

1 x 10¹⁰ J

1 x 10¹² J

14. For the same velocity, the momentum is maximum for:

A deuteron

A proton

An a particle

An electron

15. The Escape velocity of Mars in Kms¯¹

3.99

5.23

2.89

5.00

16. When a force is parallel to the direction of motion of the body. Then work done on the body is

Infinity

Zero

Minimum

Maximum

17. Reason of weightlessness in a satellite is

Center of mass

Zero gravity

None of these

Zero reaction force by satellite surface

18. Two objects of masses 1 x 10¯³ kg and 4 x 10¯³ kg have equal momentum. What is the ratio of their kinetic energies?

19:1

2:1

4:1

16:1

19. Kilowatt-hour commercially used to measure the consumption of

None of these

Power of petrol engine

Energy produced in nuclear plants

Electrical Energy

20. Approximate power of colour T.V in watt is

130

100

120

21. If a body falls from a height, the relation between its kinetic and potential energies is:

Gain in P.E = Loss in K.E. + Work done against friction

Loss in P.E = Gain in K.E. – Work done against friction

Loss in K.E = Gain in P.E. + Work done against friction

Gain in K.E = Loss in P.E. – Work done against friction

22. If it is assumed that a frictional force f is present, during the downward motion of an object of mass, which of the following relation is true.

2mg – f = ½ mV²

mgh – f = ½ mV²

None of these

mgh – f = ½ mV²

23. The escape velocity of moon in Kms¯¹ is

1.23

2.40

2.59

2.43

24. A spacecraft moves around Earth in a circular orbit with a constant radius. How much work is done by the gravitational force on the spacecraft during one revolution?

FGd

mgh

-FGd

Zero

25. A body of mass 2 kg is dropped from a height of 1m. Its kinetic energy as it touches the ground is

19.6 kg

19.6 J

19.6 m

19.6 N

Page 2 of 3

26. The P.E. of a body at a certain height is 200 J. The kinetic energy possessed by it when it just touches the surface of the earth is:

> P.E.

Cannot be known

< P.E.

= P.E.

27. A container with a mass of 5 kg is lifted to a height of 8 m. How much work is done by the gravitational force?

400 J

-400 J

50 J

Zero

28. The unit of power is

Kilojoule

Joule

Joule per second

Watt per second

29. The relation between horse power and watt is

1 hp = 946 watts

1 hp = 546 watts

1 hp = 746 watts

1 hp = 1000 watts

30. Which of the following is true?

Both momentum and kinetic energy are conserved in all collisions

Momentum is conserved in all collisions but not kinetic energy

Neither momentum nor kinetic energy is conserved in inelastic collisions

Momentum is conserved in all collisions but kinetic energy is conserved only in inelastic collisions

31. The moon produce the tides raise the water in the se roughly

None of these

Once a day

Several a day

Twice a day

32. If a body a mass of 2 kg is raised vertically through 2m, then the work done will be

3.92 J

39.2 J

392.1 J

38.2 J

33. A meteor of mass m enters the Earth’s atmosphere at an angle θ to the horizontal with an initial velocity v. Which of the following is true about vertical component of its velocity?

It remains constant throughout the motion.

None

It increases throughout the motion

It decreases throughout the motion.

34. Which form of energy does the flowing water possess?

Potential energy

Gravitational energy

Kinetic energy

Electrical energy

35. Work done is a gravitational field along a closed loop is

Zero

Minimum

Maximum

36. A boat moving at constant speed v through still water experiences a total frictional drag F. What is the power developed by the boat?

0.5Fv

Fv²

0.5Fv²

37. A 1 kg mass has a kinetic energy of 1 joule when its speed is

4.4 m/s

0.45 m/s

1.4 m/s

1 m/s

38. One Kilowatt hour is equal

3.6 x 10⁶ J

3.5 x 10⁵ J

306 x 10⁵ J

3.5 x 10⁶ J

39. A man pushes a wall but fails to displace it. He does:

No work

Positive work but

Maximum positive work

Negative work

40. The Escape velocity of Saturn in Kms¯¹

35.04

37.4

37.0

30.0

41. Name the physical quantity which is equal to the product of force and velocity.

Acceleration

Power

Energy

Work

42. A solar cell converts sun’s energy into:

Electric energy

Light

Heat energy

Sound

43. Which of the following is conservative field?

Viscous field

Frictional field

All of these

Electrostatic field

44. Which of the following is not a perfectly inelastic collision?

Striking of two glass balls

An electron captured by a proton

A bullet striking a bag of sand

A man jumping onto a moving cart

45. The Escape velocity of Earth in Kms¯¹

12.3

11.2

9.75

15.6

46. If air resistance is negligible, the sum total of potential and kinetic energies of a freely falling body ___________.

Increases

Remains the same

Decreases

Becomes zero

47. The original source of hydroelectric is

Water

Wind

Sun

Moon

48. The K.E of a light and a heavy object is same. Which object has maximum momentum?

Light object

Heavy object

Both have the same momentum

Data is not sufficient

49. SI unit of work is

N – ms¯¹

N – m

N – m²

N – MS¯²

50. An elevator weighing 3.5 x 10–6 N is raised to a height of 1000 m in the absence of friction, the work done is

3.5 x 10⁴ J

3.5 x 10⁹ J

3.5 x 10⁶ J

3.5 x 10³ J

Page 3 of 3

51. A coolie carries a load of 500 N to a distance of 100 m. The work done by him is

5 N

1/5 N

50,000 Nm

52. A container with a mass of 5 kg is lifted to a height of 8 m. How much work is done by the external force?

-400 J

Zero

400 J

50 J

53. The work done is a gravitational field is independent of:

Its distance

Its path

Its potential energy

Its mass

54. A body of mass 10 kg is dropped to the ground from a height of 10 meters. The work done by from a height of 10 meters. The done by the gravitational force is (g = 9.8m/s²)

+ 490 Joules

- 980 Joules

+ 980 Joules

- 490 Joules

55. Approximate power of flash light in watts (2 cells)

1.2 moon m

1.56

1.5

1.55

56. A machine does 2500 J of work in 1 min. What is the power developed by the machine?

150 W

42 W

21 W

2500 W

57. All the food you eat in one day has the energy equivalent to petrol of

1/5 liter

1/6 liter

1/8 liter

¼ liter

58. The dimension of power is

[ML²T¯²]

[MLT]

[ML²T³]

[M²LT¯³]

59. The atmosphere is held to the earth by

The rotation of earth

Winds

Clouds

Gravity

60. The original source of tidal energy is

Moon

Tides

Waves

Sun

61. A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is

Less

Cannot be concluded

Greater

Equal

62. The original source of biomass energy is

Sun

Geothermal

Moon

None of these

63. Power is a measure of the

Rate of change of momentum

Force which produces motion

Rate of change of energy

Change of energy

64. The type of energy possessed by a simple pendulum, when it is at the mean position is

Potential energy

Kinetic energy

Sound energy

Potential energy + kinetic energy

65. Geothermal energy with in the earth is generated by

Residual heat of the earth

All

Compression of material

Radio active decay

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.

UET Peshawar Entry Test 2025 Registration Online ETEA Test D...
ECAT Statistics Test Set 17
ECAT Statistics Test Set 16
ECAT Statistics Test Set 15
ECAT Statistics Test Set 14
ECAT Statistics Test Set 13
ECAT Statistics Test Set 12
ECAT Statistics Test Set 11
ECAT Statistics Test Set 10
ECAT Statistics Test Set 9

Maan AliLast Updated: May 26, 2025

Facebook Twitter Reddit WhatsApp Share via Email Print

11 Comments

faran says:

July 25, 2021 at 6:09 pm

centripetal force ailso donot work

Azhar saeed shaheen says:

August 7, 2017 at 5:18 pm

100%

Azhar saeed shaheen says:

August 7, 2017 at 4:45 pm

i am not agree with the answer of q no 10 and pls any one tell me the lojic of q no 14 it will so kind of u dear friend

waqar says:

June 10, 2017 at 8:56 pm

It’s a good site for Entry test preparation.

umair ahmed says:

March 18, 2017 at 1:46 am

i also

1. Azhar saeed shaheen says:
  
  August 7, 2017 at 4:47 pm
  
  i also
  
Umair Yaseen says:

March 15, 2017 at 3:02 pm

is that correct???????

1. umair ahmed says:
  
  March 18, 2017 at 1:47 am
  
  yes bro
  
2. Azhar saeed shaheen says:
  
  August 7, 2017 at 4:46 pm
  
  i think its not correct
  
Haseeb Butt says:

September 16, 2016 at 2:17 am

Kilowatt hour is unit of electrical energy and yup centripetal force does no work

Usman Laghari says:

July 31, 2016 at 9:10 pm

80% at first attempt

ECAT Physics Work and Energy Test Online

Physics Work and Energy MCQS Online Test

ECAT Physics Work and Energy Chapter Online Test

ECAT Physics Work and Energy Test Online

Physics

You Might Also Like

Maan Ali

11 Comments

Leave a Reply Cancel reply

Physics Work and Energy MCQS Online Test

ECAT Physics Work and Energy Chapter Online Test

ECAT Physics Work and Energy Test Online

Physics

You Might Also Like

Maan Ali

Your Related

ECAT Chemistry Solutions Online Test

ECAT Computer Boolean Algebra Test Online

NUST-Rawalpindi ECAT Maths Entry Test Preparation Online

ECAT Statistics Test Set 8

ECAT Computer Science Word Processing Test Online

Quaid-e-Azam University QAU Nawab Shah ECAT Chemistry Preparation Entry Test Online

11 Comments

Leave a Reply Cancel reply