First slide

Pseudo force

Question

If the elevator in the shown figure is moving upwards with constant acceleration 1 ms^-2, the tension in the string connected to block A of mass 6kg would be
(Take, g = 10 ms^-2)

Easy

A

60 N
B

66 N
C

54 N
D

42 N

Solution

The tension T in the string is $T = 6 (g + a) = 6 (10 + 1) = 66 N$

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