the escalator moves at a constant speed upward and downward it is necessary to have a net force in order to maintain this constant speed why or why not?
If the escalator is moving with constant velocity, the net force must be zero. In order for the net force on the escalator to be zero, the upward and downwards
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Answer:
why where is it the answer
Answer:
If the escalator is moving with constant velocity, the net force must be zero. In order for the net force on the escalator to be zero, the upward and downwards