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4th Chapter

9th class Physics Chapter 4 (English Medium)

Here you can prepare 9th Physics English Medium Chapter 4 (Turning Effect of Forces) Test. Click the button for 100% free full practice test..

Matric Part 1/9th Class Physics Chapter 4 MCQ Test With Answer for Chapter 4 Turning Effect of Forces

Matric Part 1/9th Class Physics Chapter 4 MCQ Test With Answer for Chapter 4 Turning Effect of Forces

Sr. # Questions Answers Choice
1 The single force that has the same effect as the combined effect of all the force to be added is called a
  • A. Opposite force
  • B. Single force
  • C. Resultant force
  • D. Resultant vector
2 The method used for addition of non-parallel forces is.
  • A. Algebraic
  • B. Head to trail rule
  • C. Mathematical
  • D. Nil
3 If force is 200 N and length of spanner is 0.15 then torque will be:
  • A. 30 Nm
  • B. 15Nm
  • C. 20 Nm
  • D. 10 Nm
4 At what angle sin𝜽 and cos𝜽 has same values:
  • A. 30<sup>o</sup>
  • B. 45<sup>o</sup>
  • C. 60<sup>o</sup>
  • D. 90<sup>o</sup>
5 Two equal but unlike parallel forces having different lines of action produce:
  • A. a Torque
  • B. a couple
  • C. Equilibrium
  • D. Netural equilibrium
6 Turning effect of a force is called:
  • A. Torque
  • B. Moment
  • C. Couple
  • D. Torque and momentum
7 The net torque acting on a rotating body with uniform speed is:
  • A. 0
  • B. 1
  • C. 2
  • D. 5
8 If the applied force is 'F' and its moment arm is 'r' then torque is defined as
  • A. τ = rF
  • B. τ = r2F
  • C. τ = r + F
  • D. τ = 2rF
9 The vector which has the same effect as the combined effect of vectors:
  • A. Negative vector
  • B. The vector
  • C. Resultant vector
  • D. Zero vector
10 The formula of torque is:
  • A. L= F x E
  • B. E = F x t
  • C. t = F x L
  • D. E = F x L

Top Scorers of 9th Class Physics Chapter 4 Turning Effect of Forces English Medium KPK Boards Online Mcqs

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Abdulhafeez Abro

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Abdulhafeez Abro

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11/12
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Hammad Malik

Lahore22 - Feb - 2024

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48 Sec
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Hammad Malik

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48 Sec
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  • Maryam

    07 Dec 2023

    Numericals

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