Class 9 Courses

Chapter 1: Class 9 Physics Exam Tests

Class 9 Physics MCQs - Chapter 1

Dynamics Trivia Questions & Answers PDF Download - 8

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The Quiz: A group of interacting bodies on which no external force is acting is known as; "Dynamics" App APK Download with answers: Isolated system; Sexasigmal system; SGS system; to study online classes courses. Practice Physics Study Guide MCQ Questions, download Kindle eBook (Free Sample) for virtual online school.

Dynamics Test Questions and Answers PDF Download: MCQ 8

MCQ 36:

A group of interacting bodies on which no external force is acting is known as

  1. sexasigmal system
  2. isolated system
  3. SGS system
  4. none of above
MCQ 37:

When we walk or run, to push the ground backward we need

  1. inertia
  2. position
  3. friction
  4. velocity
MCQ 38:

If the pressing force on the sliding surfaces is greater, then friction will be

  1. small
  2. constant
  3. zero
  4. greater
MCQ 39:

A force of 15 N moves a body with an acceleration of 3 ms−2. Its mass is

  1. 10 kg
  2. 8 kg
  3. 12 kg
  4. 5 kg
MCQ 40:

Law of inertia is also known as newton's

  1. 1st law of motion
  2. 2nd law of motion
  3. 3rd law of motion
  4. all of above

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Dynamics App (Android & iOS)

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9th Grade Physics App (Android & iOS)

9th Grade Physics App (iOS & Android)

College Physics App (Android & iOS)

College Physics App (Android & iOS)

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SAT Physics App (iOS & Android)