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The value of  on the surface of earth is smallest at the equator because

a)

The centripetal force is maximum at equator

b)

The centripetal force is least at equator

c)

The angular speed of earth is maximum at equator

d)

The angular speed of earth is least at equator



Question ID - 54960 | SaraNextGen Top Answer

The value of  on the surface of earth is smallest at the equator because

a)

The centripetal force is maximum at equator

b)

The centripetal force is least at equator

c)

The angular speed of earth is maximum at equator

d)

The angular speed of earth is least at equator

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Due to rotation of earth the effective acceleration due to gravity

For a given point on the surface of earth  decreases as  increases. The angular speed of earth is maximum at equator hence, the value of  on the surface of the earth is smallest. 

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