Can You Power A Sailing Boat With A Fan Object In An Elevator Problem And A Question On Newtons 3rd Law?

Object in an elevator problem and a question on newtons 3rd law? - can you power a sailing boat with a fan

1) the weight of a book is measured with a yardstick. They were then placed in an elevator. collect 15N scale. Can Excel in order to use this information when the elevator is moving at a constant speed up or down? sites or resting places? . explain

2) on a windless day, a sailor put an electric fan powered by a battery in the back of a boat and blows a stream of air driven in the sail. the boat forward? By Newton's third law explanation

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