Class 9 Courses

Chapter 1: Class 9 Physics Exam Tests

Class 9 Physics MCQs - Chapter 1

# Dynamics Multiple Choice Questions (MCQ) PDF Download - 10

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The Dynamics Multiple Choice Questions (MCQ Quiz) with Answers PDF (Dynamics MCQ PDF e-Book) download Ch. 1-10 to learn Grade 9 Physics Course. Study Uniform Circular Motion Multiple Choice Questions and Answers (MCQs) PDF, Dynamics Quiz Questions and Answers for high school certification courses. The Dynamics MCQ App Download: Free educational app for uniform circular motion, physics study guide, dynamics and friction, physics: friction test prep for virtual secondary school.

The MCQ: The direction of centripetal force is always; "Dynamics" App (Android & iOS) with answers: Away from center; Towards center; Tangent to the circle; Normal to the circle; for high school certification courses. Practice Uniform Circular Motion MCQ Questions, download Apple Book (Free Sample) for online schools.

## Dynamics MCQs with Answers : Quiz 10

MCQ 46:

The direction of centripetal force is always

1. towards center
2. away from center
3. tangent to the circle
4. normal to the circle
MCQ 47:

The momentum of an isolated system of two or more than two interacting bodies remains

1. variable
2. zero
3. negative
4. constant
MCQ 48:

The centripetal force is given by

1. (mV2) ⁄ r
2. r ⁄ mv
3. mvr
4. Vr
MCQ 49:

The friction is reduced by

1. making sliding surfaces smooth
2. lubricating the surface
3. using ball bearings
4. all of above
MCQ 50:

The maximum value of friction is known as the

1. initial friction
2. force of limiting friction
3. fixed friction
4. inertia

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