yuyu88yuyu
英文解释force指的是物理学上的力（单位牛顿的那个）n.Physics. A vector quantity that tends to produce an acceleration of a body in the direction of its application.（其它解释略）power一般指电力或功率n.Physics. The rate at which work is done, expressed as the amount of work per unit time and commonly measured in units such as the watt and horsepower.Electricity. a.The product of applied potential difference and current in a direct-current circuit.b.The product of the effective values of the voltage and current with the cosine of the phase angle between current and voltage in an alternating-current circuit.（其它解释略）
养生达人帅帅
力（不分种类） —— Force拉力/张力 —— tension反作用力 —— Reaction法向反作用力 —— Normal reaction--------------------------------题主写的“Strength”指的是力量，大多数情况指的是人的力量，而不是物理客观的力
