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Roller coasters

I wondered about the paragraph on amusement rides, where it is said that they usually don't pull over 3 g with some listed exceptions. However, according to "rcdb.com" and other coaster-related sources, almost every looping coaster on the world pulls about 4-5 g on entering the loop (e.g. the Vekoma Boomerang which is found in many parks around the world is said to pull 5.2 g on its first inversion).—Preceding unsigned comment added by 141.203.254.65 (talk • contribs)

Acceleration, not force?

It is inaccurate to say that g-force is an acceleration, not a force. The concept of g-force is the force acting on an object because of acceleration. If you were in a plane pulling 2 g, with a scale under your butt, it would read twice your weight. Electronic and spring scales measure force, not acceleration. Hermanoere (talk) 21:36, 6 April 2017 (UTC)

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Biplane illustration

The top illustration of a biplane seems to be claiming that an aircraft banking subjects the pilot to 2 Gs force due to the fact he is being acted on by earth's gravity and by the acceleration of the aircraft. Maybe I just read that wrong, but that's what it seems to say, and I don't think that's correct. Worse, it says "G increases as angle of bank increases", which is totally untrue. Angle of bank has nothing to do with the G force on the pilot. It's the rate of turn. Yes, frequently a tighter turn requires more bank, but other than that, no. You could fly a plane with a 90deg bank and not be "pulling" ANY Gs except for gravity trying to pull you straight sideways. It's banking and then pulling UP on the control column that causes the aircraft to turn. Increasing rate of turn is accomplished by pulling harder, or possibly by banking more. The G is a function of rate-of-turn and the speed of the aircraft. I'm no expert, but what is described there is misleading at best, because that's what it seems to be saying to me. AnnaGoFast (talk) 04:46, 26 November 2017 (UTC)

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No reference to justify topic or opening statements

The article starts off with the following two statements. "The gravitational force, or more commonly, g-force, is a measurement of the type of acceleration that causes a perception of weight. Despite the name, it is incorrect to consider g-force a fundamental force, as "g-force" is a type of acceleration that can be measured with an accelerometer".

But there are no references following the two statements. The references at the end of the first paragraph do not in any way justify these two statements. It appears that this topic of g-force is something that has been made up but has no justification anywhere in the literature. RHB100 (talk) 21:29, 19 December 2018 (UTC)

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