A 50 kg girl wearing heel shoes balances on a single heel. The heel is circular with a diameter 1 cm. The pressure exerted by the heel on the horizontal floor is (Take g = 10 ms-2)
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
6.4 × 104 Pa
b
6.4 × 105 Pa
c
6.4 × 106 Pa
d
6.4 × 107 Pa
answer is C.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Here, m = 50 kg, D = 1 cm = 10-2 m, g = 10 ms-1∴ Pressure exerted by the heel on the horizontal floor isp = FA = mgπ(D2)2 = 4mgπD2 = 4×50 kg × 10 ms-23.14 × (10-2m)2= 6.4 × 106 Pa