A person is in an elevator standing on a scale that measure upwardforce in newtons.
If the elevator is at rest, and the person weighs
67
kg, what does the scale say?
The elevator speeds up and reaches a constand velocity of
6
meters up per second. This takes
2.5
seconds. At the beginning of the elvator's ascent, what does the scale read?
While the elevator is going up at a constand velocity
6
meters up per second.
The elevator then goes down to the bottom floor and stops, going from a constant speed of
6
meters up per second to a stop. This takes another 2.5 seconds to happen. As the elevator beings its ascent, what does the scale read?
