Question

6. The velocity time graph of a lift moving downwards is a straight line
inclined to the time axis at 45°. If mass of the lift is M kg, what is the
effective weight (in newton) of the lift? Take g = 10 ms?
A 10 M
B. 9 M
C. M
D. None of these​

Answer 1

Answer:

the velocity time graph of a lift moving downward is a straight line is 9 M