CBSE Class 8 Answered
A girl is wearing a pair of flat shoes . She weighs 550N . The area of contact of one shoe with the ground is 160cm² . What pressure will be exrted by the girl on the ground:
(i) If she stands on two feet?
(ii) If she stands on one foot?
Asked by Shawn | 11 Sep, 2015, 08:39: PM
Expert Answer
The girl weighs is F = 550 N
The area of contact of one shoe with the ground is A =160 cm2 = 0.16 m2
(i) If the girl stands on two feet:
Therefore, Area, A=0.16 m2 = 0.16 m2 x 2 = 0.32 m2
(ii) If the girl stands on one foot:
Answered by Faiza Lambe | 12 Sep, 2015, 11:22: AM
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