Aperson of mass 8 kg enters a lift and selects the floor he wants . The lift now accelerates at 1 m/sec^2 for 2 sec , then goes with constant vel . As the lift approaches his floor , it decelerates at the same rate it accelerated . If the lift cable can withstand a tension of 2x 10^4 N and the lift itself has maas of 500 kg , how many persons can it safely carry at once .
Geetnashu , 7 Years ago
Grade 12th pass
1 Answers
Eshan
Last Activity: 6 Years ago
Dear student,
The stress on the cable will be maximum when the lift is accelerating upwards. From the equation of motion for the body,
Hence number of people it can carry=
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