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a rectangular plate 2* 3 m is immersed in water such that its greatest and least depth are 6m and 4m respectively from the water surface . the total thrust on the plate is what?

a rectangular plate 2* 3 m is immersed in water such that its greatest and least depth are 6m and 4m respectively from the water surface . the total thrust on the plate is what?

Grade:12

2 Answers

Arun
25763 Points
3 years ago
Total pressure, F=w*a*y=9.81*650*6*2*3=22.9 N/cm2

Regards
Arun (askIITians forum expert)
Ashutosh Dangi
15 Points
one year ago
Given, size of the plate 2mx 3m and Greatest and least depths of the plate are 6m and 4m.
 
We know that area of the plate A = 2x3 = 6 m
 
and depth of centre of the plate (average depth) 6+4/2 = 5m 
 
Total thrust on the plate F= pressure*area = hpg*6= 10^3x9.8x6x5 = 294x10'N

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