Physics, 14.04.2021 22:00 Officaljazz18

Which two of the following forces must always reduce the total mechanical energy of an object when present in a motion situation in which an object is sliding across a surface? ▪︎Spring
▪︎Applied
▪︎Tension
▪︎Gravity
▪︎Friction
▪︎Air Resistance
▪︎Normal

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Which two of the following forces must always reduce the total mechanical energy of an object when p...