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A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is 250 m². Assuming that the pressure inside the house is atmospheric pressure, the force exerted by the wind on the roof and the direction of the force will be (ρair=1.2 kg/m³)
Options
(a) 4.8×10⁵ N,upwards
(b) 2.4×10⁵ N,upwards
(c) 2.4×10⁵ N,downwards
(d) 4.8×10⁵ N,downwards
Correct Answer:
2.4×10⁵ N,upwards
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is the nature of Gaussian surface involved in Gauss’s law of electrostatics?
- The drift velocity of the electrons in a copper wire of length 2 m under
- 64 drops of mercury, each charged to a potential of 10 V, are combined
- A battery of emf 10 V and internal resistance 3 ohm is connected to a resistor.
- In an LCR series A.C circuit, the voltage across each of the components, L, C and R is 50V
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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