Question

A slowly increasing wind blowing over a flat test surface lifts the unsecured surface when the...

A slowly increasing wind blowing over a flat test surface lifts the unsecured surface when the wind reaches 180 km/hr. Estimate the weight of the surface if it is 6.2 m by 12.4 m.

Science   Physics   
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Answer #1

Given:

Velocity of wind,

Area of the flat surface,

============

Use Bernoulli's principle

Pressure difference,

==========

Pressure = Force/Area

Here the force is the weight of the flat slab

ANSWER:

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