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MCQs and Quizzes for Mechanics Physics on different topics (Units and Dimensions, Law of Motion, Gravitational Law Planetary Motion and Artificial Satellite, Fluid Mechanics, theory of Relativity) for MS, M.Phil & PhD GAT subject specialist, Lectureship jobs, FPSC,PPSC and other jobs
_______ is/are scalar quantity?
|
Option 1
|
Mass |
|
Option 2
|
Time |
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Option 3
|
Volume |
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Option 4
|
All of these |
Find the change in momentum, if a force of 100 dynes acts on a body of 5 grams for 10 seconds.
|
Option 1
|
100 C.G.S. Units |
|
Option 2
|
100000 C.G.S. Units |
|
Option 3
|
1000 C.G.S. Units |
|
Option 4
|
10000 C.G.S. Units |
We can clean a dirty carpet by beating. This is in accordance with_________.
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Option 1
|
Newton’s 2nd law |
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Option 2
|
Newton’s 3rd law |
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Option 3
|
Newton’s 1st law |
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Option 4
|
None of these |
A force of 100 dynes acts on a body of 5 grams for 10 seconds. What is the velocity produced?
|
Option 1
|
20 feet/second |
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Option 2
|
40 feet/second |
|
Option 3
|
400 feet/second |
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Option 4
|
200 feet/second |
If the mass of a rotating body moves towards the axis of rotation, its moment of inertia______.
|
Option 1
|
Remains the same |
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Option 2
|
Increases |
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Option 3
|
Decreases |
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Option 4
|
May increase or decrease |
