Tide

Question 1

What are generating forces of sun proportional to?

Answer 1

Tide-generating force of the sun is proportional to the mass of the sun divided by the sun-earth distance cubed

Question 2

For the moon?

Answer 2

Tide-generating force of the moon is proportional to the mass of the moon divided by the moon-earth distance cubed

Question 3

What affects tide?

Answer 3

Changes in the earth-moon distance, lunar orbital tilt and lunar apsidal precision

Question 4

What are short-term shallow-water overtides due to?

Answer 4

wind and atmospheric pressure