Chemistry, 05.02.2021 20:20 dancinggrace2032

a train is climbing a gradual hill. the weight of the train creates a downhill force of 150,000 newtons. friction creates an additional force of 25,000 newtons acting in the same direction (downhill). how much force does the train's engine need to create so the train is going uphill at a constant speed?

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a train is climbing a gradual hill. the weight of the train creates a downhill force of 150,000 newt...