Home 9th Class Physics Notes Dynamics: 9th Class Physics Chapter 3 MCQs

# Dynamics: 9th Class Physics Chapter 3 MCQs

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Here is a post which contains 9th Class Physics Chapter 3 MCQs. This post belongs to chapter wise notes of Physics for Class 9. Name of the 3rd chapter in Class 9 Textbook is “Dynamics“. Class 9 Physics MCQs Chapterwise are also availalbe. Students can practice these Multiple Choice Questions during the preparation for Exams. However, students should use other sources to get more Objective type questions as well. I have taken these Class 9 Physics Chapter 3 Dynamics Solved MCQs from Al-Hassan Super Notes Physics (English Medium) – IX. In my openion students should go through Dynamics MCQs Chapter 3 before taking exams. You will find these 9th Class Physics Chapter 3 Solved MCQs as quiz.

## Class 9 Physics Chapter 3 Dynamics MCQs with Answers

You may also like: Chapter 3 Dynamics Short Questions and Numericals

(a) Torque
(b) Force
(c) Work
(d) Momentum

(d) Momentum

(a) 10N
(b) 5N
(c) Zero
(d) 20N

(a) 10N

(a) Nm
(b) Kgms-²
(c) Ns-¹
(d) Ns

(d) Ns

(a) Force
(b) Net Force
(c) Friction
(d) Momentum

(c) Friction

### 5. Which of the following materials lowers friction when pushed between metal plates:

(a) Water
(b) Fine marble powder
(c) Air
(d) Oil

(d) Oil

(a) Force
(b) Net force
(c) Mass
(d) Velocity

(c) Mass

(a) Increases
(b) Constant
(c) Decreases
(d) Zero

(b) Constant

(a) 0.2
(b) 0.6
(c) 0.8
(d) 1

(a) 0.2

(a) 0.6
(b) 1
(c) 0.05
(d) 0.2

(b) 1

(a) kgms-¹
(b) Kgms-²
(c) Kgms-²s
(d) kgms-¹s-¹

(b) Kgms-²

(a) 10ms-¹
(b) 20 ms-¹
(c) 25ms-¹
(d) 30ms-¹

(a) 10ms-¹

### 12. Centripetal force always acts ________ to the motion of the body.

(a) Opposite
(b) Parallel
(c) Perpendicular
(d) Upwards

(c) Perpendicular

(a) Torque
(b) Distance
(c) Force
(d) Mass

(c) Force

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1. ### M.ali

February 26, 2022 at 10:11 am

Please correct MCQ no 2
The tension in the string is 10 N not 20 because
You see, it doesn’t matter whether the string is tied to a wall *or an equal and opposite force is applied to keep the forces in balance. In both cases, the tension in the string is the same. So the tension in the string is 10N.*