A) become zero when the lift moves up with an acceleration of 9.8 m/s2 |
B) become zero when the lift moves down with an acceleration of 9.8 m/s2 |
C) become zero when the lift moves with an acceleration of 9.8 m/s2 in any direction |
D) remain unchanged whatever be the value of acceleration of the lift |
B) become zero when the lift moves down with an acceleration of 9.8 m/s2 |