Discussion
Assertion (A): There are two tidal bulges rather than one on the Earth.
Reason (R): The tide generating force is a difference, so it points outward on both sides.
Answer: B
Both are true and the reason gives the cause, and this is why most coasts see two high waters a day. A simple attraction argument would predict only one bulge and one high water daily. The observed semidiurnal tide requires the difference form.
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