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a carpenter of mass 50 kg is standing on a weighing machine placed in a lift of mass 20 kg. a light string is attached to the lift. the string passes over a smooth pulley and is attached to the lift and the other end is held by the carpenter.when carpenter keeps the lift moving upward with constant velocity, find- ​1. reading of the weighing machine ​2. net force on the man. ​3. net force on the weighing machine. ​4. tension of the string

a carpenter of mass 50 kg is standing on a weighing machine placed in a lift of mass 20 kg.
a light string is attached to the lift. the string passes over a smooth pulley and is attached to the lift and the other end is held by the carpenter.when carpenter keeps the lift moving upward with constant velocity, find-
​1. reading of the weighing machine
​2. net force on the man.
​3. net force on the weighing machine.
​4. tension of the string

Grade:12

1 Answers

Nihad CU
26 Points
9 years ago
1.mg=50x9.8=490kg
2.490kg
3.686kg
4.686kg

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