FUOYE PHY 101 CBT TEST EXAM MODE

Ace/Undergragra March 6, 2023

0 5,851 1 minute read

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Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace PHY 103 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

Please do well to use our comment box incase there’s a message you want to pass to us

70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

I wish you success

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❤️ Undergragra

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Created on January 10, 2023 By

Ace/Undergragra

PHY 101

1 / 50

The dynamics along with the problems without referring to toffee is force causing the motion of the body is

A. Rigid Body

B. Kinetics

C. Dynamics

D. Kinematics

2 / 50

Which of the following defines a local space in which the positions of other objects are then described

A. Observer

B. Coordinates

C. Axes

D. Point

3 / 50

3. The property of a moving object to continue moving is what Galileo called

A. velocity

B. speed.

C. inertia.

D. acceleration.

4 / 50

4. The simple assumption that all possible reference frames moving with uniform velocity relative to one another are equivalent for the statement of laws of physics is called the_________

A. Charles principle

B. Principle of relativity

C. Uncertainty principle

D. Paulis exclusive principles

5 / 50

5. Force that acts on a mass of 1g and gives it an acceleration of 1cm/s^2 is defined as

A. 1 Dyne

B. 2 Newton

C. 1 pa-force

D. 1 Newton

6 / 50

___________ quantities are known to be independent

A. Derived Units

B. Fundamental units

C. Derived quantities

D. Fundamental quantities

7 / 50

7. An object moves at a constant speed of 6m/s. This means that the object

A. Decreases it's speed by 6m/s every second

B. Increases its speed by 6m/s every second

C. Moves only by 6s by each meter

D. Moves 6m every second

8 / 50

8. The force that keeps an object moving in a circular path is called

A. Oscillatory force

B. Objector force

C. Centrifugal force

D. Centripetal force

9 / 50

9. In the laboratory, the speed of sound is measured to be 344 meters per second, different from the actual value of 343 meters per second. What is the percent error in the measurement?

A. 3%

B. 0.3%

C. 10%

D. 0.1%

10 / 50

10. One remarkable consequence of relativity is that simultaneity of events and sometimes even their time order depend on one's

A. Time of flight

B. All of the above

C. Reference frame

D. Speed

11 / 50

11. According to Newton's First Law of Motion,

A. an object in motion eventually comes to a halt.

B. an object in motion moves in a parabolic trajectory unless acted upon by a net force.

C. an object at rest eventually begins to move.

D. an object at rest always remains at rest.

12 / 50

12.

A car moving with a velocity of 15m/s accelerate uniformly at rate of 2m/s^2 to reach a velocity of 20m/s. The time taken and distance travelled are respectively

A. 3.5m/s and 65m

B. 2.5m/s and 35m

C. 3.5 m/s and 55m

D. 2.5m/s and 43.75m

13 / 50

13. A block of mass 10kg was moved by a force of 20N. Find the coefficient of Friction

A. 2

B. 20

C. 0.002

D. 0.2

14 / 50

14.

A rock is dropped from a cliff that is 10m above ground level. How long does it take the rock to reach the ground

A. 4.5s

B. 20s

C. 12s

D. 10s

15 / 50

15. The path through which projectile travels is called ___________

A. Angle of projection

B. Projectile motion

C. projection Projection

D. Projectile motion

16 / 50

16. An object is thrown with a velocity v= 5.0i + 8.0j in m/s. Find the time taken to reach the maximum height

A. 0.41s

B. 0.82s

C. 1.64s

D. 13s

17 / 50

17. The meaning of frame of reference is _________

A. Sound

B. Space

C. Thermodynamics

D. Electromotive force

18 / 50

18. The first postulate of Albert Einstein in special relativity states that

A. Relativity does not accelerate given that the time t=0

B. All the laws of physics are the same in all inertia frame of reference

C. A frame of reference will continue to be on a motion until a force is applied to it

D. Frame of reference are the same

19 / 50

19. When you look at the speedometer in a moving car, you can see the car's

A. Average Velocity

B. Instantaneous speed

C. Instantaneous acceleration

D. Average acceleration

20 / 50

20. Suppose the position of a particle at time t, is given by the position vector, the derivative of the position gives

A. Position Vector

B. Velocity vector

C. Relative vector

D. Acceleration vector

21 / 50

21. All inertia frame of reference

A. Do not accelerate

B. Holds true for all law of mechanics

C. All of the above

D. Are in relative motion to absolute space

22 / 50

22. Total displacement covered in total time taken is termed as

A. Average velocity

B. Variable velocity

C. Instantaneous velocity

D. Uniform velocity

23 / 50

23. Calculate the average angular acceleration rotating at an angle of 30° for 5s

A. 6rad/s2

B. 12rad/s

C. 6rad/s

D. 12rad/s^2

24 / 50

24. The property of a body to remain at rest or to continue to move in a straight line, is known as

A. Impulse

B. Inertia

C. Force

D. Momentum

25 / 50

25.

The speed of light is

A. 1.8 x 10^23

B. 2.3 x 10^-8

C. 6.023 x 10^ 23

D. 3 x 10^8

26 / 50

26. A body in free fall in a vacuum

A. will drop the same distance during each second of its fall.

B. will have a constant velocity during each second of its fall

C. will have the same average speed during each second of its fall

D. will have the same acceleration during each second of its fall.

27 / 50

27. A stone was projected with a speed of 8m/s at an angle of 15°, find its range (take g=10

A. 3.2

B. 32

C. 40

D. 2.3

28 / 50

28. A particle is launched such that its maximum range is 26.4m.What is the speed at which it is lauched

A. 32.4m/s

B. 16.2m/s

C. 64m/s

D. 8.1m/s

29 / 50

29. __________ can be defined as the summation of the mass of an object and the square of the perpendicular distance

A. Moment of Inertia

B. Average Mass

C. Simultaneity

D. Frame of reference

30 / 50

30.

The simple assumption that all possible reference frames moving with uniform velocity relative to one another are equivalent for the statement of laws of physics is called the_________

A. Uncertainty principle

B. Charles principle

C. Paulis exclusive principles

D. Principle of relativity

31 / 50

31.

The two postulates of Einstein is known as

A. Galiliean Tragedy

B. Special relativity

C. Ẹ = mc

D. Speed Of light

32 / 50

32.

___________ is the physical entity that can be measured?

A. Dimension

B. System

C. Unit

D. Force

33 / 50

33. Projectile 'A' is fired at an angle of 50° above the horizontal; projectile 'B' is fired with the same speed at an angle of 40° above the horizontal. Assuming level ground and negligible air resistance, which of the following is true

A. A' will reach a greater height and have a greater range than 'B

B. A' will reach the same height and have the same range as 'B'.

C. A' will reach a greater height and have the same range as 'B'.

D. 'A' will reach a greater height and have a shorter range than 'B

34 / 50

34. A gun of mass 10kg released a bullet of mass 20g at a speed of 100m/s. Find the gun's speed of recoil

A. 0.2m/s

B. 20m/s

C. 2.0m/s

D. 10m/s

35 / 50

35. ____________ is the Head of Physics Department in Federal University Oyè Ekiti?

A. Dr. Okolo

B. Dr. Dosu Malomo

C. Proffesor Alabadan

D. Dr. Hammed Shakirudeen

36 / 50

36. At what time is the particle at the position x= 3t^2 - 12t + 20 at rest

A. 5s

B. 2s

C. 10s

D. 6s

37 / 50

37. Galiliean invariance is also known as

A. Galiliean Mechanics

B. Galiliean theory

C. Galiliean relativity

D. Galiliean speed

38 / 50

38. Which of the following quantities has the same dimensions as Kinetic Energy, 1/2mv^2?

A. Mgh

B. Ma

C. Mvt

D. Mgt

39 / 50

39. According to Newton's First Law of Motion,

A. an object at rest always remains at rest. E.

B. an object at rest remains at rest unless acted upon by a net force.

C. an object in motion moves in a parabolic trajectory unless acted upon by a net force.

D. an object at rest eventually begins to move.

40 / 50

40. When the velocity of an object is doubled, its Kinetic Energy is

A. Doubled

B. Constant

C. Trippled

D. Quadrupled

41 / 50

41. A particle has an acceleration of 2x^3 + 3x^2 at t=2s, determine the velocity of the particle

A. 15m/s

B. 1m/s

C. -1m/s

D. 16m/s

42 / 50

42. The unit of angular acceleration is

A. M/s^2

B. (sec rad)

C. Sec/rad

D. Rad/sec

43 / 50

43. A girl is riding a bicycle along a straight road at constant speed at constant speed, and passes a friend standing at a bus stop (event 1). At a time of 60s later the friend catches a bus (event 2). If the distance separating the events is 126m in frame of the girl on the bicycle, what is the bicycle's speed?

A. Zero

B. 0.2m/s

C. 2.10m/s

D. 12.01m/s

44 / 50

44. A bowling ball at a height of 36 meters above the ground is falling vertically at a rate of 12 meters per second. Which of these best describes its fate?

A. It will hit the ground in less than three seconds at a speed greater than 12 m/s.

B. It will hit the ground in more than three seconds at a speed less than 12 m/s.

C. It will hit the ground in less than three seconds at a speed less than 12 m/s.

D. It will hit the ground in exactly three seconds at a speed of 12 m/s

45 / 50

45. A resultant force of 15N acts on a body for 4s mass 4kg. Calculate the change in momentum of the body within this period

A. 11Ns

B. 3.5Ns

C. 0.3Ns

D. 60Ns

46 / 50

46. A ball is projected at an angle of elevation of 60° with an Initial velocity of 100m/s^2, find the time of flight

A. 18.23s

B. 17.32s

C. 27.5s

D. 12.35s

47 / 50

47. A book is at rest on top of a table. Which of the following is correct?

A. The book has no inertia.

B. There is no force acting on the table.

C. There is no force acting on the book.

D. The book is in equilibrium.

48 / 50

48. Motion of object without a specific direction is

A. Rotational motion

B. Oscillatory motion

C. Random motion

D. Translational motion

49 / 50

49. To report the of an object, we must specify both its speed and its direction .

A. mass

B. length

C. velocity

D. acceleration

50 / 50

50. A _______________ body is one for which the distance between any two points of the body remains the same when the body is translated or rotated

A. Flexible

B. Rigid

C. Oblique

D. Concentrated

Your score is

The average score is 43%

Please do well to drop a comment if this has really helped you. Thanks❤️

Ace/Undergragra March 6, 2023

0 5,851 1 minute read

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