Consider a heavy car submerged in water in a lake with flat bottom. The driver's side door of the car is 1.1 m high and 0.9 m wide, and the top edge of the door is 10 m below: the water surface Determine the net force acting on the door ( normal to its surface) and the location of the pressure center if : (a) the car is well-sealed and it contains air at atmospheric pressure and (b) the car is filled with water.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Consider a heavy car submerged in water in a
lake with flat bottom. The driver's side door of the car is
1.1 m high and 0.9 m wide, and the top edge of the door is
10 m below: the water surface Determine the net force
acting on the door ( normal to its surface) and the location
of the pressure center if :

(a) the car is well-sealed and it
contains air at atmospheric pressure and

(b) the car is filled
with water.

(Ans:102.5 kN)

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