Question

A girl whose mass 64 kg stands on a spring weighing machine inside a lift. If its acceleration is 3m/s, what will be the reading on the machine when;
A. The starts to ascend.
B. The lift starts to descend.
C. The lift moves up and down with a constant velocity.
The lift is at rest (Take g=10m/s).

Answer 1

Answer:

832N, 448N and 640N

Explanation:

Refer to the material.