Class 9 Physics MCQs – Practice Test 10 (Chapter 1)

Dynamics MCQ with Answers PDF Download – Test 10

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The MCQ: Direction of centripetal force is always; "Dynamics" App (Android, iOS) with answers: away from center, towards center, tangent to the circle, and normal to the circle for high school certification courses. Practice Uniform Circular Motion MCQ Questions, download Apple Book (Free Chapter) for online schools.

Dynamics MCQ – Practice Test 10 PDF Download

MCQ 46: The direction of centripetal force is always:

towards center
away from center
tangent to the circle
normal to the circle

MCQ 47: The momentum of an isolated system of two or more than two interacting bodies remains:

variable
zero
negative
constant

MCQ 48: The centripetal force is given by:

(mV²) ⁄ r
r ⁄ mv
mvr
Vr

MCQ 49: The friction is reduced by:

making sliding surfaces smooth
lubricating the surface
using ball bearings
all of above

MCQ 50: The maximum value of friction is known as the:

initial friction
force of limiting friction
fixed friction
inertia

Class 9 Physics Notes App & e-Book – Dynamics Exam Prep

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