Buenas tardes a todos, oigan no puedo resolver este problema, la verdad no entiendo, me podrían ayudar por favor?
A person of mass 70 kg stands on a weighing scale in an elevator which is moving and observes different lectures on it.
a.Determine the acceleration of the elevator and if it is moving up, down, accelereting, breaking or not moving if the values of the scale are:
a.66 kg
b.74 kg
c.70kg