Physics MCQs PPSC Past Papers Test Questions

Physics MCQs PPSC Past Papers Test Questions: Prepare for your upcoming PPSC exams with our comprehensive collection of Physics MCQs from past papers. Our expertly curated test questions are designed to help you master key concepts and boost your confidence. Whether you're a student or a professional aiming for a top score, these practice questions are essential for effective revision and understanding of complex topics. By working through these past paper questions, you'll gain valuable insights into the exam format and frequently tested concepts. This targeted practice not only enhances your problem-solving skills but also helps you familiarize yourself with the types of questions you'll encounter. Start your preparation today and increase your chances of success with our reliable and relevant Physics MCQs.

Below are the Physics MCQs PPSC Past Papers Test Questions:

 Turning Effect of Forces MCQs:

1➤ Two equal but unlike parallel forces having different line of action produce

ⓐ A torque
ⓑ A couple
ⓒ Equilibrium
ⓓ Neutral equilibrium

➤ A couple

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2➤ The number of forces that can be added by head to tail rule are:

ⓐ 2
ⓑ 3
ⓒ 4
ⓓ Any number

➤ Any number

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3➤ The number of components of a force are: perpendicular

ⓐ 1
ⓑ 2
ⓒ 3
ⓓ 4

➤ 2

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4➤ A force of 10 N is making an angle of 30° with the horizontal. Its horizontal component will be:

ⓐ 4 N
ⓑ 5 N
ⓒ 7 N
ⓓ 8.7 N

➤ 8.7 N

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5➤ A couple is formed by

ⓐ Two forces perpendicular to each other
ⓑ Two like parallel forces
ⓒ Two equal and opposite forces in the same line
ⓓ Two equal and opposite forces not in the same line

➤ Two equal and opposite forces not in the same line

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6➤ A body is in equilibrium when its:

ⓐ Acceleration is uniform
ⓑ Speed in uniform
ⓒ Speed and acceleration are uniform
ⓓ Acceleration is zero

➤ Acceleration is zero

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7➤ A body is in neutral equilibrium when its centre of gravity:

ⓐ Is at its highest position
ⓑ Is at the lowest position
ⓒ Keeps its height if displaced
ⓓ Is situated at its bottom

➤ Keeps its height if displaced

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8➤ Racing cars are made stable by:

ⓐ Increasing their speed
ⓑ Decreasing their mass
ⓒ Lowering their centre of gravit
ⓓ Decreasing their width

➤ Lowering their centre of gravit

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9➤ The parallel forces which have opposite direction are called:

ⓐ Like parallel forces
ⓑ Unlike parallel forces
ⓒ Perpendicular forces
ⓓ None of these

➤ Unlike parallel forces

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10➤ The process of splitting up vectors into their components:

ⓐ Negative vector
ⓑ Resultant vector
ⓒ Position vector
ⓓ Resolution of vector

➤ Resolution of vector

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11➤ Which formula is used to find the x- component of a force:

ⓐ F₁= F sine
ⓑ F, F cose
ⓒ F₁ = F tane
ⓓ 8= tan F/F

➤ F, F cose

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12➤ Value of sin30° is:

ⓐ 0
ⓑ 0.5
ⓒ 0.707
ⓓ 1

➤ 0.5

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13➤ Value of cos0° is:

ⓐ 1
ⓑ 0.5
ⓒ 0.866
ⓓ 8

➤ 1

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14➤ Tan0=

ⓐ Perpendicular/ Hypotenuse
ⓑ Base/ Hypotenuse
ⓒ Base/ Perpendicular
ⓓ Perpendicular/ Base

➤ Perpendicular/ Base

---

15➤ Unit of torque is:

ⓐ N
ⓑ Nm²¹
ⓒ Nm
ⓓ Nm²

➤ Nm

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16➤ Formula to find the magnitude of a force is:

ⓐ F = √Fx + Fy
ⓑ F = Fx + Fy
ⓒ F = Fx²+Fy²
ⓓ All of these

➤ F = Fx²+Fy²

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17➤ The torque or moment of a force depends upon ------------ factors.

ⓐ 2
ⓑ 3
ⓒ 4
ⓓ 5

➤ 2

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18➤ The turning effect of a force is called:

ⓐ Couple
ⓑ Axis of rotation
ⓒ Moment arm
ⓓ Moment of a force

➤ Moment of a force

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19➤ A body is balanced when clockwise moments is-------to anti- clockwise moments:

ⓐ Less than
ⓑ Greater than
ⓒ Equal to
ⓓ None of these

➤ Equal to

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20➤ A point where an applied force causes the system to move without rotation, is called:

ⓐ Centre of gravity
ⓑ Centre of mass
ⓒ Centre of body
ⓓ Centre of axis

➤ Centre of mass

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21➤ Centre of gravity of a triangle is:

ⓐ Point of intersection of its diagonals
ⓑ Point of intersection of its medians
ⓒ Middle point on its axis
ⓓ Centre of triangle

➤ Point of intersection of its medians

---

22➤ Centre of gravity of a uniform solid cylinder is at:

ⓐ Middle point on its axis
ⓑ Centre of cylinder
ⓒ The point of intersection of diagonals
ⓓ Centre of plate

➤ Middle point on its axis

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23➤ The centre of gravity irregular shaped body can be found with the help of:

ⓐ Gravity
ⓑ Plumbline
ⓒ Metre rod
ⓓ Screw gauge.

➤ Plumbline

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24➤ A -------- is formed by two unlike parallel forces of the same magnitude but nor along the same line.

ⓐ Torque
ⓑ Couple
ⓒ Line of action of force
ⓓ Equilibrium

➤ Couple

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25➤ A body is in------------ if after a slight tilt it returns to its previous position.

ⓐ Stable equilibrium
ⓑ Unstable equilibrium
ⓒ Neutral equilibrium
ⓓ No equilibrium

➤ Stable equilibrium

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