elevator physics question?
What will a spring scale read for the weight of a 56 kg woman in an elevator that moves as follows?
(a) with constant upward speed of 4.0 m/s
. kg
(b) with constant downward speed of 4.0 m/s
kg
(c) with upward acceleration of 0.31g
. kg
(d) with downward acceleration 0.31g
Answers & Comments
Verified answer
a spring scale read
(a) with constant upward speed of 4.0 m/s
56 * 9.81 + 0 N
b) with constant downward speed of 4.0 m/s
56 *9.81 + 0 N
c) with upward acceleration of 0.31g
56 * 9.81 + 56 * 0.31 * 9.81 N
d) with downward acceleration 0.31g
56 * 9.81 - 56 * 0.31 * 9.81 N