Physics, 05.02.2020 01:50 atenagueroprivate

Amass is suspended from the roof of a lift (elevator) by means of a spring balance. the lift (elevator) is

moving upwards and the readings of the spring balance are noted as follows:

speeding up: ru constant speed: rc slowing down: rd

which of the following is a correct relationship between the readings?

(a) ru  rc (b) ru = rd (c) rc < rd (d) rc  rd

Answers: 3

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Amass is suspended from the roof of a lift (elevator) by means of a spring balance. the lift (elevat...