13 question answer please I will mark u as brainlist
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poorvi31:
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P=F/A
in the first case, area is (20×10)=200cm^2, force F=2kgf
pressure=2/200=0.01 kgf/cm^2
in the second case, area is (5×10)=50cm^2
pressure=2/50=0.04 kgf/cm^2
in the third case, area is (5×20)=100cm^2
pressure=2/100=0.02 kgf/cm^2.
in the first case, area is (20×10)=200cm^2, force F=2kgf
pressure=2/200=0.01 kgf/cm^2
in the second case, area is (5×10)=50cm^2
pressure=2/50=0.04 kgf/cm^2
in the third case, area is (5×20)=100cm^2
pressure=2/100=0.02 kgf/cm^2.
Its from the book of Concise Physics Selina pub.
Right???
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