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Which way does point for the Earth? (A) Parallel to the NS axis and pointing north. (B) Parallel to the NS axis and pointing south. (C) Parallel to the NS axis and pointing east. (D) Parallel to the NS axis and pointing west.

Which way does   point for the Earth?
(A) Parallel to the NS axis and pointing north.
(B) Parallel to the NS axis and pointing south.
(C) Parallel to the NS axis and pointing east.
(D) Parallel to the NS axis and pointing west.

Grade:11

1 Answers

Aditi Chauhan
askIITians Faculty 396 Points
6 years ago
The correct option is: (A) parallel to NS axis and pointing north.
The Earth will appear to rotate counterclockwise to a person above the North Pole, accounting for the fact that the Sun rise from the East. Now, by using the right hand thumb rule one can easily get the direction of \overrightarrow{w}, which will run parallel to NS axis and pointing North.
Therefore (A) is the correct option and the rest are ruled out.

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