ELi5 : Please explain G-forxe in simple terms
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One G is the effect of Earth’s gravity. It’s what you feel every day, walking around, trying to get up from a chair, falling after tripping over.
If you’ve ever been in a lift/elevator, you will know what it feels like to experience more or less than 1G. Do you know that feeling as the elevator car starts to go up? It feels like you’re suddenly heavier until the car gets to a constant speed. That is the experience of more than 1G.
Similarly, do you know that feeling when you’re using a lift to go down, when the car starts moving, and your stomach flips? You’re experiencing less than 1G.
It’s important to understand that these changes in G-forces in an elevator, are *exactly* the same as being in a lower/higher gravity environment.
Even so, a lift/elevator is specifically designed to not accelerate you too much, meaning you won’t experience G-forces that are much different to 1G.
But under some circumstances (e.g., where a fighter pilot is changing direction (i.e., accelerating) quickly), they will experience a big change in G-forces. This can lead to blacking out or redding out when they experience very high or very low G-forces, respectively.
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