A person of mass 60 kg is inside a lift of mass 940 kg and presses the button on control panel. The lift starts moving upwards with an acceleration 1.0 m//s^2. If g = 10 ms^(-2), the tension in the supporting cable is

A person of mass 60 kg is inside a lift of mass 940 kg and presses the

1.	A person of mass 60 kg is inside a lift of mass 940 kg and presses the button on control panel. The lift starts moving upwards with an acceleration 1.0 m//s^2. If g = 10 ms^(-2), the tension in the supporting cable is
Answer» `86 00 N` `9680 N` `1100 N` `1200 N` Solution :Here, MASSOF a person`, m= 60kg` massof lift`, m= 940kg ,a= 1 m//s^2, , g= 10 m//s^2` LetT BETHE tensionin thesupportingcable `thereforeT -(M +m ) g= ( M+m) a` `T=(M+m) (a +g)` `=( 940+ 60)( 1+10)= 11000 N`