A lift is going up. The total mass of the lift and the passenger is $1500\, kg$. The variation in the speed of the lift is as given in the graph. The tension in the rope pulling the lift at $t = 11^{th}\, sec$ will be ............ $N$
$17400$
$14700 $
$12000$
$0$
A lift is going up. The total mass of the lift and the passenger is $1500\, kg$. The variation in the speed of the lift is as given in the graph. The tension in the rope pulling the lift at $t = 11^{th}\, sec$ will be ............ $N$
At $11^{th}$ second lift is moving upward with acceleration
$a = \frac{{0 - 3.6}}{2} = - 1.8\,m/{s^2}$
Tension in rope,$T = m(g - a) = 1500(9.8 - 1.8) = 12000\,N$
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