Solve with proper explanation please :
No.11 only
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Step-by-step explanation:
the minimum pressure will be exerted with widest base that is 20 ×10 =200 and the highest pressure will be with the smallest area that is 5×10=50
pressure =force/area
p1=F/200
p2=F/50
ratio will be F/200:F/50::1:4
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