Home/MDCAT/MDCAT Physics Work and Energy Online Test

MDCAT Physics Work and Energy Online Test

Malik TahirLast Updated: May 26, 2025

Physics Work and Energy MCQS Online Test

MDCAT 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:	MDCAT Entry Test Physics Online Test Interview Questions about Physics All Universities Entrance Test Recruitments Tests

MDCAT Physics Work and Energy Test Online

Please wait...

Page 1 of 3

Physics

1. The Escape velocity of Mars in Kms¯¹

2.89

5.00

5.23

3.99

2. 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

+ 490 Joules

+ 980 Joules

3. The original source of hydroelectric is

Moon

Sun

Water

Wind

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

Electrical energy

Gravitational energy

Kinetic energy

Potential energy

5. One Kilowatt hour is equal

306 x 10⁵ J

3.5 x 10⁵ J

3.6 x 10⁶ J

3.5 x 10⁶ J

6. The atmosphere is held to the earth by

Clouds

Winds

Gravity

The rotation of earth

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

None of these

Once a day

Several a day

Twice a day

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

At high rate

At uniform rate

At variable rate

Any rate

9. 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?

50 J

400 J

Zero

-400 J

10. Which of the following is conservative field?

Viscous field

All of these

Electrostatic field

Frictional field

11. 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?

50 J

Zero

-400 J

400 J

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

Energy produced in nuclear plants

Power of petrol engine

Electrical Energy

None of these

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

120

130

100

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

50,000 Nm

1/5 N

5 N

15. 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?

16:1

2:1

19:1

4:1

16. The original source of tidal energy is

Tides

Sun

Moon

Waves

17. SI unit of work is

N – ms¯¹

N – m²

N – MS¯²

N – m

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

Kinetic energy

Terminal velocity

Escape velocity

None of these

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

Potential energy + kinetic energy

Kinetic energy

Sound energy

Potential energy

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

1.55

1.56

1.2 moon m

1.5

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

The height of the table

The speed of the particle

The actual path taken

The tie taken in this work

22. The original source of biomass energy is

None of these

Geothermal

Sun

Moon

23. 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 10⁶ J

3.5 x 10⁴ J

3.5 x 10³ J

3.5 x 10⁹ J

24. The relation between horse power and watt is

1 hp = 946 watts

1 hp = 546 watts

1 hp = 746 watts

1 hp = 1000 watts

25. 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

Greater

Equal

Cannot be concluded

Less

Page 2 of 3

26. The dimension of power is

[MLT]

[ML²T¯²]

[ML²T³]

[M²LT¯³]

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

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

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

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

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

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

F/v

Fv²

v/F

29. Geothermal energy with in the earth is generated by

Radio active decay

All

Residual heat of the earth

Compression of material

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

38.2 J

39.2 J

3.92 J

392.1 J

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

1/6 liter

¼ liter

1/8 liter

1/5 liter

32. The Escape velocity of Earth in Kms¯¹

11.2

15.6

9.75

12.3

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

Both have the same momentum

Heavy object

Light object

Data is not sufficient

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

Constant quantity

Scalar quantity

Vector quantity

None of these

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

0.5Fv²

Fv²

0.5Fv

36. 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

37. 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.

< P.E.

= P.E.

Cannot be known

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

2.43

2.59

2.40

1.23

39. 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?

Zero

mgh

-FGd

FGd

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

Minimum

Maximum

Zero

Infinity

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

1 x 10⁹ J

1 x 10¹² J

1 x 10¹⁰ J

1 x 10¹¹ J

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

1.4 m/s

4.4 m/s

0.45 m/s

1 m/s

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

Conservative fields

None of these

Non-conservative field

Varying intensity field

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

150 W

42 W

2500 W

21 W

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

Light

Electric energy

Sound

Heat energy

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

Minimum

Zero

Maximum

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

No work

Maximum positive work

Positive work but

Negative work

48. Reason of weightlessness in a satellite is

Zero gravity

None of these

Zero reaction force by satellite surface

Center of mass

49. 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 m

19.6 N

19.6 J

50. 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 decreases throughout the motion.

None

It increases throughout the motion

It remains constant throughout the motion.

Page 3 of 3

51. Which of the following is true?

Neither momentum nor kinetic energy is conserved in inelastic collisions

Momentum is conserved in all collisions but not kinetic energy

Both momentum and kinetic energy are conserved in all collisions

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

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

Its mass

Its path

Its potential energy

Its distance

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

Power

Energy

Acceleration

Work

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

An electron captured by a proton

Striking of two glass balls

A bullet striking a bag of sand

A man jumping onto a moving cart

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

An a particle

A deuteron

A proton

An electron

56. 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

57. The original source of geothermal energy is

Earth

Fossil fuels

Biomass

Moon

58. Power is a measure of the

Rate of change of momentum

Change of energy

Rate of change of energy

Force which produces motion

59. The unit of power is

Joule per second

Watt per second

Kilojoule

Joule

60. 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

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

Remains the same

Becomes zero

Decreases

Increases

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

60°

90°

30°

0°

63. The Escape velocity of Saturn in Kms¯¹

37.4

37.0

35.04

30.0

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

1 x 10⁵

1.2 x 10⁶

1.3 x 10⁷

1.4 x 10⁸

65. 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)

60 J

600 J

50 J

500 J

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

PMDC MDCAT Registration Online 2025 Last Date
MDCAT Test Schedule 2025 Dates Announced
MDCAT Physics Vactors And Equilibrium Online Test
MDCAT Fundamental Concepts of Chemistry Test Online MCQs
MDCAT Biology Inheritance Test Online MCQs
MDCAT Biology Acellular life Test Online
MDCAT Biology Variety of Life Test Online MCQs
MDCAT Biology Fields of Specialization Online Test MCQS
MDCAT Biology Kingdom of Protista Online Test MCQS
MDCAT Biology Fungi Online Test MCQS

Malik TahirLast Updated: May 26, 2025

Facebook Twitter Reddit WhatsApp Share via Email Print

4 Comments

Hoorain says:

August 5, 2022 at 12:25 am

Why is it saying that electric force does no work whereas it is actually centripetal force which does no work on the body.

salman says:

August 24, 2021 at 10:49 am

why is it wrong?
magnitude of work =Fdcos tita

Asfand yar says:

June 9, 2017 at 8:32 am

Test =good
Mcqs 11 difficult
Ans with reason please with formula

1. sohali says:
  
  August 12, 2022 at 6:47 pm
  
  the answer of 11 is in Punjab text book

MDCAT Physics Work and Energy Online Test

Physics Work and Energy MCQS Online Test

MDCAT Physics Work and Energy Chapter Online Test

MDCAT Physics Work and Energy Test Online

Physics

You Might Also Like

Malik Tahir

4 Comments

Leave a Reply Cancel reply

Physics Work and Energy MCQS Online Test

MDCAT Physics Work and Energy Chapter Online Test

MDCAT Physics Work and Energy Test Online

Physics

You Might Also Like

Malik Tahir

Your Related

MDCAT Chemistry Atomic Structure Test Online

MDCAT Biology Diversity Among Animals (Kingdom Animalia) Test Online MCQs

MDCAT Chemistry Chemical Equilibrium Test Online

MDCAT English Spotting Errors Test 7 Online

MDCAT Biology Fungi Online Test MCQS

Lahore Medical & Dental College LMDC Entry Test Result 2025 Answer Key

4 Comments

Leave a Reply Cancel reply