Answers

2015-09-19T17:14:15+05:30
Since p=f/a,   pa=f
keeping area constant.we see that pressure id directly proportional to force so if force is doubled pressure is also doubled
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2015-09-19T17:36:38+05:30
P=f/a
so we can derive
a=f/p similarly since a is contant
f1/p1=f2/p2
we know f2 = 2f1
so 
f1/p1=2f1/p2
 p2/p1=2
 thus the pressure will get doubled
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