Q.

What is the mean value of ‘g’ on the surface of earth?


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a

8.8 ms-2

b

9.5 ms-2

c

9.6 ms-2

d

9.8 ms-2 

answer is D.

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Detailed Solution

This is because of acceleration due to gravity is the acceleration gained by an object due to gravitational force and its SI unit is ms-2. Therefore it has both magnitude and direction which is vector quantity. Hence, acceleration due to gravity is represented by g on the surface of earth is 9.8 ms-2.
 
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