a 60 kg girl wearing a high heel shoes balances on a single heel. the heel is circular with radius 1 cm .What will be the pressure exerted by the hell on horizontal floor.
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see the solution in image.
P=F/A
F=mg ( weight of girl)
here i take g=10 m/s^2
P=F/A
F=mg ( weight of girl)
here i take g=10 m/s^2
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Area of heel =22/7×(1)^2=22/7
Now,
Pressure =Force/Area,we have found area but force is yet to be found
as we know,
Force=mass×acceleration
here acceleration is the acceleration
due to gravity=9.8 m/s^2or 10m/s^2
hence force =60×9.8
hence pressure=(60×9.8)/22/7
=(6×10×9.8)×7/22=(6×98)×7/22=168N/m^2
Now,
Pressure =Force/Area,we have found area but force is yet to be found
as we know,
Force=mass×acceleration
here acceleration is the acceleration
due to gravity=9.8 m/s^2or 10m/s^2
hence force =60×9.8
hence pressure=(60×9.8)/22/7
=(6×10×9.8)×7/22=(6×98)×7/22=168N/m^2
YourFriend1:
oh sorry i didn't see the question correctly there was 1cm and i took 1m. U can take 1cm and then solve the question with the same process u will get the answer
Thanks for support
Your Welcome
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