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    1. gravitational potential energy

      EN: Gravitational potential energy (GPE) is energy stored because of height in a gravitational field. - It depends on mass, gravitational field strength (g), and change in height. - Near Earth: GPE = m g Δh (relative to a chosen reference level).

      中文:重力势能(GPE)是物体由于处在重力场中的高度而具有的能量。 - 与质量、重力加速度 g,以及高度变化 Δh 有关。 - 近地面常用:GPE = m g Δh(相对于所选参考高度)。