alondralina
alondralina
09-11-2016
Physics
contestada
What is the net force?
Respuesta :
AL2006
AL2006
09-11-2016
The person is standing on the floor of the elevator, and he isn't
floating up or smashing through the floor.
So the person's acceleration is exactly the same as the elevator's
acceleration.
Now, Newton's second law of motion says:
F = M · a
(the net force on the person) = (the person's mass) x (his acceleration)
Net force = (80 kg) x (0.5 m/s²)
=
40 newtons
.
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