Asked by Anonymous
how will the weight of a 20 kg object change if it was in a lift that accelerates at 4 m.s?
Answers
Answered by
drwls
That will depend upon whether it accelerates up or down.
The formula is
W = m (g + a)
a is negative if it is accelerating downward.
In this case, the "weight" is what a scale would measure inside the elevator ("lift").
The formula is
W = m (g + a)
a is negative if it is accelerating downward.
In this case, the "weight" is what a scale would measure inside the elevator ("lift").
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