Tides occur in the oceans and seas due to which among the following? 1. Gravitational force of the Sun 2. Gravitational force of the Moon 3. Centrifugal force of the Earth Select the correct answer using the code given below.
- A. 1 only
- B. 2 and 3 only
- C. 1 and 3 only
- D. 1, 2 and 3
Answer: D
Explanation
The periodical rise and fall of the sea level, once or twice a day, mainly due to attraction of Sun and Moon. Another factor is centrifugal force, which is the force that acts to counter balance the gravity.