Free Fluid Dynamics MCQs with Answers
363 Fluid Dynamics MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Fluid flow is described through speed, pressure and density, including steady flow and the equation of continuity for conserving mass. Bernoulli's equation relates pressure, speed and height, while fluid drag and terminal velocity explain why a falling object eventually moves at constant speed when drag balances its weight.
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Read the Fluid Dynamics notesFree MDCAT chapter notes with key terms363 questions · page 19 of 19
- A. Zero
- B. 9.8 N
- C. 4.9N
- D. 19.6N
Explanation: The drag force experienced by an object falling with zero acceleration is equal to the weight of the object.
Correct answer: 9.8 N- A. 8 cms-1
- B. 16 cms-1
- C. 24 cms-1
- D. 32 cms-1
Explanation: Explanation is given below.Let the radius of bigger drop is R and smaller drop is r then4/3πR^3 = 8×4/3×πr^3or R=2r ....(i)Terminal…
Correct answer: 32 cms-1- A. Before hail
- B. After hail
- C. At the same time
- D. None of the above
Explanation: The correct answer is option B: 'After hail'. The rain drop, being less dense than the hail, experiences less gravitational force acting…
Correct answer: After hail