Question

A person weighs 60 kg. The area under the foot of the person is 150 cm2. Find the pressure exerted on the ground by the person. (Take g 10m/s2)

Answer 1

Answer:

Correct option is

B

32.6×103Pa

Force,F=60kgwt=60×9.8N

=60×1098=6×98N

Area under the foot (A) =180cm2

10000180m2

∴P=AF

=1806×98×10000Pa=398×103Pa

=32.6×103Pa

Explanation:

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Answer 2

Answer:

CORRECT OPTION IS

B

Force , F = 60 kg weight = 60 × 9.8 N

= 60 × 1098 = 6 × 98N

AREA UNDER THE FOOT A) =180 cm

10000180 m

= 1806 × 98 × 10000 pa = 398 × 103 pa

= 32.6 × 103 pa