Physics, 19.09.2019 00:00 roadking490

Jenny is sitting on a sled on the side of a hill inclined at 15°. what force is required to keep the sled from sliding down the
hill if the combined weight of jenny and the sled is 90 pounds?
[got deleted from mathematics when it's for pre-calculus, if this isn't physics or math where should i ask my question? ]

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Jenny is sitting on a sled on the side of a hill inclined at 15°. what force is required to keep the...

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