On a part-time job, you are asked to bring a cylindrical iron rod of density 7800 kg/m3 , length 90.8 cm and diameter 2.75 cm from a storage room to a machinist. calculate the weight of the rod, w. the acceleration due to gravity, g = 9.81 m/s2 .

Weight of the rod, W = 41.202 N

Explanation:

It is given that,

Density of the cylindrical iron rod,

Length of the cylindrical iron rod, l = 90.8 cm = 0.908 m

Diameter of the rod, d = 2.75 cm = 0.0275 m

Radius, r = 0.01375 m

Acceleration due to gravity,

We know that the mass per unit volume is called density of a substance. Its relation is given by :

m = 4.20 kg

Weight of the rod,

W = mg

W = 41.202 N

So, the weight of the rod is 41.202. Hence, this is the required solution.

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