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.

Navjyot Kalra , 11 Years ago

Grade 10