Class 9 Courses

Chapter 1: Class 9 Physics Exam Tests

Class 9 Physics MCQs - Chapter 1

# Dynamics Quiz Questions and Answers PDF - 7

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The Quiz: SI unit of momentum is; "Dynamics" App Download (iOS & Android) with answers ‘θ’, ‘newton second (Ns)’, ‘μ’ and ‘λ’ to study online courses. Study Physics Study Guide MCQ Questions, download Amazon eBook (Free Sample) for school certificate.

## Dynamics Questions & Answers : MCQ Quiz 7

MCQ 31: SI unit of momentum is

1. newton second (Ns)
2. θ
3. μ
4. λ

MCQ 32: If two masses 5.2 kg and 4.8 kg are attached to the ends of inextensible strings passed over a frictionless pulley then the acceleration of the system is

1. 0.7 ms-2
2. 0.4 ms-2
3. 0.5 ms-2
4. 1 ms-1

MCQ 33: The maximum value of friction is

1. limiting friction
2. unlimited friction
3. infinity
4. none of above

MCQ 34: The opposing force in motion is called

1. inertia
2. resistance
3. friction
4. acceleration

MCQ 35: A wire is stretched by 2 equal and opposite forces 15 N each. The tension in the string will be

1. 30 N
2. 20 N
3. 15 N
4. 25 N