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Image a girl of mass 50 kg standing on pencil heels, each of area of cross section of 1cm^

Posted by Beethu Joshy 5 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Gaurav Seth 5 years, 4 months ago

Mass of girl = 50 kg = 50*10 = 500 N

Area of the heels 2*1 cm2 = 2cm2

Preassure exerted by the girl= 500N/2cm2

500*100*100/2

2500000 pa

Mass of the elephant 5000kg = 5000*10N

Area of feet=4*250cm2

= 4*250/100*100

Preassure exerted by elephant= 5000*10*100*100/4*250

=500000

The girl will exert more preassure than elephant by =(2500000-500000) = 2000000

1Thank You

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CBSE > Class 08 > Science