question archive The pressure exerted on the ground by a man is greatest when: A) he stands with both feet flat on the ground B) he stands flat on one foot C) he stands on the toes of one foot D) he lies down on the ground E) all of the above yield the same pressure
The pressure exerted on the ground by a man is greatest when: A) he stands with both feet flat on the ground B) he stands flat on one foot C) he stands on the toes of one foot D) he lies down on the ground E) all of the above yield the same pressure
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The pressure exerted on the ground by a man is greatest when:
A) he stands with both feet flat on the ground
B) he stands flat on one foot
C) he stands on the toes of one foot
D) he lies down on the ground
E) all of the above yield the same pressure
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Answer:
Pressure = Force/Area , so lesser the area more the pressure.Force is constant in all the cases given i.e F=mg but Area is least when he stands on toes on one foot. So the pressure is maximum in that case.
So Ans - C)
