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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.
Related Questions: - A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m
- Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series
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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
- A beaker of radius 1.5 cm is filled with a liquid of surface tension 0.075 N/m
- Two bulbs 40 watt and 60 watt and rated voltage 240 V are connected in series
- The horizontal range and the maximum height of a projectile are equal
- When the wavelength of sound changes from 1 m to 1.01 m,
- Energy of all molecules of a monoatomic gas having a volume V and pressure P is 3PV/2.
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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