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 is “Dynamics”. Students can practice these Multiple Choice Questions for the preparation for Exams. However, students should use other sources to get more Objective type questions as well.

## Dynamics: 9th Class Physics Chapter 3 MCQs

You may also like: MCQs of Chapter 2    –    MCQs of Chapter 4

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

(d) Momentum

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

(d) 20N

(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