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 (Free) with answers θ, newton second (ns), μ and λ to study online courses. Study physics study guide quiz questions, download Amazon eBook (Free Sample) for school certificate.

Dynamics Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: SI unit of momentum is

newton second (Ns)
θ
μ
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

0.7 ms^-2
0.4 ms^-2
0.5 ms^-2
1 ms^-1

MCQ 33: The maximum value of friction is

limiting friction
unlimited friction
infinity
none of above

MCQ 34: The opposing force in motion is called

inertia
resistance
friction
acceleration

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

30 N
20 N
15 N
25 N

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