Question

Drive a formula for the acceleration produced by the earth on An object of mass m. Also calculate its value (9.8)​

Answer 1

Answer:

To calculate the value of g, we should put the values of G, M and R

Where G=universal gravitational constant, G=6.7×10 –11Nm 2kg −2

mass of the earth, M=6×10 24 kg,

and radius of the earth, R=6.4×106m.g= GM/R²

Thus, the value of acceleration due to gravity of the earth, g=9.8m/s

2

Also we know Weight in nothing but the force exerted by the earth with a value of acceleration =9.8m/s

2

Now at the poles the value of acceleration due to gravity is higher as compared to the equator as the constant value of

g depends on the radius of the earth which decreases when we come down from poles to the equator.

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