https://www.studyblue.com/notes/note/n/chapter-12-13-test/deck/13704425

e) gravitational effects occur only when a large mass is involved. C. Suppose the gravitational .... Ocean tides occur mainly because... a) of the gravitational pull ...

https://oceanservice.noaa.gov/education/tutorial_tides/tides02_cause.html

National Ocean Service's Education Online tutorial on Tides and Water levels: ... from the gravitational attraction of the sun and moon on the oceans of the earth ... Because of these conditions, the sun's tide-generating force is about half that of ...

https://oceanservice.noaa.gov/education/kits/tides/tides02_cause.html

In 1687, Sir Isaac Newton explained that ocean tides result from the gravitational attraction of the sun and moon on the oceans of the earth (Sumich, J.L., 1996). ... Because of these conditions, the sun’s tide-generating force is 27/59, ...

https://www.businessinsider.com/how-ocean-tides-work-lunar-gravity-2017-6

Jun 6, 2017 ... The moon's gravity does not fully explain how ocean tides work ... Low tides occur where the disruption caused by tidal force is weakest (and ... and pools, don't have noticeable tidal bulges because they lack enough liquid to ...

https://www.livescience.com/29621-what-causes-the-tides.html

Aug 5, 2010 ... The moon, however, influences tides the most. ... This inertia, or centrifugal force, causes the oceans to bulge on the opposite side facing the ...

https://www.britannica.com/science/tide

... as the position of the Moon varies relative to Earth, mainly because of Earth's ... Consequently, the tides of largest range or amplitude (spring tides) occur at new ... For the main oceans, a combination of theory and observation indicates the ...

http://wtamu.edu/~cbaird/sq/2013/05/09/why-does-the-moons-gravity-cause-tides-on-earth-but-the-suns-gravity-doesnt/

May 9, 2013 ... The ocean tides on earth are caused by both the moons gravity and the suns gravity. ... Because ocean tides are the effect of ocean water responding to a ... to orbit the earth, hence strong tides occur about twice a month.

https://science.howstuffworks.com/environmental/earth/geophysics/tide-cause.htm

Oct 11, 2018 ... During high tide periods, low-lying areas that border the ocean now flood way ... The sun also exerts a gravitational pull on the oceans, but because our ... with the spring season; indeed, spring tides occur throughout the year.

https://www.physlink.com/education/askexperts/ae468.cfm

Tides occur mainly in oceans because that is basically one huge body of water that is free to move all over the earth. Lakes and rivers do not cover enough area  ...

https://www.enchantedlearning.com/subjects/ocean/Tides.shtml

The gravitational attraction of the moon causes the oceans to bulge out in the ... Since the earth is rotating while this is happening, two tides occur each day.