The mass of a lift is 2000kg. When the tension in the supporting cable is 28000 N. Then the acceleration is _______.
A. 30 ms-2 downwards
B. 4 ms-2 upwards
C. 4 ms-2 downwards
D. 14 ms-2 downwards
Answer:B
The mass of a lift is 2000kg. When the tension in the supporting cable is 28000 N. Then the acceleration is _______.
A. 30 ms-2 downwards B. 4 ms-2 upwards C. 4 ms-2 downwards D. 14 ms-2 downwards