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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 A force of 200 N is making an angle of 30<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°. What is horizontal component?</span>
  • A. 173.2 N
  • B. 100 N
  • C. 600 N
  • D. None of these
2 The parallel forces which have same direction are called.
  • A. Resutant force
  • B. Like parallel force
  • C. Unlike force
  • D. Null force
3 Clockwise torque is taken:
  • A. Positive
  • B. Negative
  • C. Neutral
  • D. Nil
4 _____________ is centre from which its mass is equally distributed:
  • A. Cebtre of mass
  • B. Centre of gravity
  • C. All of above
  • D. None
5 When 10 N along positive x-axis and 7 N along negative x-axis are added by head to tail rule. The resultant force is:
  • A. 17 N
  • B. 10 N
  • C. 7N
  • D. 3 N
6 .............. is example of vector.
  • A. Length
  • B. Force
  • C. Mass
  • D. Time
7 A body is in equilibrium when its:
  • A. Acceleration in uniform
  • B. speed in uniform
  • C. Speed and Acceleration are uniform
  • D. Acceleration is Zero.
8 The number of forces that can be added by head to tail rule are
  • A. 2
  • B. 3
  • C. 4
  • D. Any Number
9 Center of gravity of an irregular shaped body can be found with help of:
  • A. Screw guage
  • B. Plumbline
  • C. Meter rode
  • D. Wedge
10 If Fx and Fy are rectangular components of vector F, then its direction is determined by the relation
  • A. θ = sin-1 Fv/Fx
  • B. θ = tan-1 Fx/Fy
  • C. θ = tan Fx/Fy
  • D. θ = tan Fy/Fx

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