ጥያቄ 1
A man is standing on a spring scale in an elevator. When the elevator is at rest, the scale reads 560N. When the elevator stars to move, the scale reads 600N. The elevator has
- A.An upward acceleration
- B.A constant down ward speed
- C.A constant upward speed
- D.A constant upward speed
መልሱን እና ማብራሪያውን ይመልከቱ
መልስ፦ A An upward acceleration
ለምን