Question
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
BITSAT
Physics
Laws of Motion
2024
BITSAT 2024 (Memory Based Paper 1)
BITSAT Physics Question (2024) — Solution
Options
- A. 8600 N
- B. 9680 N
- C. 11000 N
- D. 1200 N
Answer
C. 11000 N
Step-by-step solution
Total mass =(60+940) kg =1000 ~kg Let T be the tension in the supporting cable, then T-1000 g=1000 1 T =1000 11=11000 ~N
Related: Physics — Laws of Motion · All PYQ Banks