gravity weight

基本解释

With variations of gravity the weight rises or falls.
荷重隨著重力的變化而陞起或降落。
In the Earth's gravity, weight and is equivalent in quality, but different metric units.
在地球引力下，重量和質量是等值的，但是度量單位不同。
“It describes the power needed to propel a bike against our everyday foes: gravity, weight, friction, wind resistance, ” he writes.
“它描述了推動自行車尅服日常阻力——如引力、重量、摩擦力以及風阻——所需要的能量，”他這樣寫到。

It showed their instruments, food storage, and details of how they moved and worked without gravity to give them weight.
You can see that if a was equal to g, your downward acceleration is that of gravity, namely the cable has snapped in the elevator, Then you don't feel any weight.
你會發現如果 a 等於 g,你下降的加速度就是重力加速度,也就是電梯的繩索斷了,那時你會完全失重
耶魯公開課 - 基礎物理課程節選

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