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NCERT class 9 science book chapter 10 example 10.6​

Answer»

a 2450pa. B 612.5paExplanation:a ) p=F/Af=m×gf=5×9.8=49n (it is CONSTANT because m and G are constanta)a=20cm×10cm= 200cm^2=0.02m^2b)a=40cm×20cm= 800cm^2=0.08m^2a)49n/0.02m^2=2450pab)49n/0.08m^2=612.5pa



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