On a part-time job, you are asked to bring a cylindrical iron rod of density 7800...

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On a part-time job, you are asked to bring a cylindrical iron rod of density 7800...

On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 kg/m3 , length 89.5 cm and diameter 2.40 cm from a storage room to a machinist. Calculate the weight of the rod, w. The acceleration due to gravity, g = 9.81 m/s

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Answer 1

Answer #1

Area of rod = pi*(0.024/2)^2*0.895

mass = area * density

= pi*(0.024/2)^2*0.895*7800

Weight = mass*gravity

= pi*(0.024/2)^2*0.895*7800*9.81

= 30.98 N

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Answer 2

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