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never mind I am used to finding cross sectional area of rod using pr^2
teacher why did you divide cross sectional area by 4?
The area of a circle is pi(r)² and r is (d/2) so if u square diameter/2 u will get ((d)²/4)
why do we not convert the Kg to grams?
Kg is the SI unit of mass gram is not
never mind I am used to finding cross sectional area of rod using pr^2
teacher why did you divide cross sectional area by 4?
The area of a circle is pi(r)² and r is (d/2) so if u square diameter/2 u will get
((d)²/4)
why do we not convert the Kg to grams?
Kg is the SI unit of mass gram is not