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1.what happens to the weight(and normal reaction)of something, in an elevator that accelerates upward.plz explainalso,are action reaction forces still equal?2.What happens when a coin is dropped in an elevator accelerating downward3.What happens to the tension in a rope wound over a pulley with one of its ends attached to an object of weight 75N when the object moves upward with a) increasing b) decreasing speed.


1.what happens to the weight(and normal reaction)of something, in an elevator that accelerates upward.plz explainalso,are action reaction forces still equal?2.What happens when a coin is dropped in an elevator accelerating downward3.What happens to the tension in a rope wound over a pulley with one of its ends attached to an object of weight 75N when the object moves upward with a) increasing b) decreasing speed.


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