Question

Calculate the centrifugal force experienced by a man of 60 kg standing at Chennai?(Given: Latitude of Chennai is 13°)


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Answer 1

Answer:

The centrifugal force is given by Fc=mw

2

Rcosθ. the angular velocity (w) of earth=

T

2π

Where T is time period of the earth ( 24 hours)

w=

24×60×60

2π

=

86400

2π

7.268×10

−5

radsec

−1

The radius of the earth R=6400km=6400×10

3

m

Latitude of chennai=130

f

ef

=60×(7.268×10

−5

)

2

×6400×10

3

×cos(13

0

)

678N

A 60 kg man experiance centrifugal force of approximately NEWTON. But due to earths gravity a man of 60 kg experiance a force=mg=60×9.8=558N, this force is very much large than the centrifugal force.