

Applied Mechanics - Engineering
Q1: A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will beA
10 m/sec
B
15 m/sec
C
20 m/sec
D
25 m/sec
ANS:C - 20 m/sec Initail weight before moving on lift(m) =49 kg. |


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