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A piston of cross-sectional area 100 $c m^{2}$ is used in a hydraulic press to exert a force of $1 0^{7}$ dyne on water. The cross-sectional area of the other piston which supports a truck of mass 200 kg is

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1.96 cm2

0.196 m2

0.98 m2

98 m2

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detailed solution

Correct option is B

F1A1=F2A2 107×10-5100×10-4=200×9.8A2 A2=0.196m2

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A piston of cross-sectional area 100cm2 is used in a hydraulic press to exert a force of 107 dyne on water. The cross-sectional area of the other piston which supports a truck of mass 200 kg is

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A piston of cross-sectional area 100 $c m^{2}$ is used in a hydraulic press to exert a force of $1 0^{7}$ dyne on water. The cross-sectional area of the other piston which supports a truck of mass 200 kg is