To explain:
Representation of three black arrows in the given figure.

Answer to Problem 1VSC
Solution: option (b) is correct.
Explanation of Solution
In the given figure, shows the gravitational pull of the moon on earth which gives rise to tides. The North Pole is at center in the given figure and the points are along the circumference of the equator.
So, in the figure, the black arrows represent the gravitational pull of the moon on the earth. The length of the arrow denotes the strength of gravitational pull. Since, the arrow is long at point 1, which is closest to the moon for which the pull is maximum at point 1. The pull is minimum at point 3, so there is least gravitational pull.
Hence, the moon’s gravitational force is different at different points on earth.
Conclusion:
Therefore, option (b) is correct.
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Chapter 4 Solutions
ESSN COSMIC PERSP ALC&MOD MSTG/&STARRY 8
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