A students backpack, full of textbooks, is hung from a spring scale attached to the ceiling of
Fantastic news! We've Found the answer you've been seeking!
Question:
A student’s backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an elevator. When the elevator is accelerating downward at 3.8 m/s2, the scale reads 60 N.
(a) What is the mass of the backpack?
(b) What does the scale read if the elevator moves upward while slowing down at a rate 3.8 m/s2?
(c) What does the scale read if the elevator moves upward at constant velocity?
(d) If the elevator had no brakes and the cable supporting it were to break loose so that the elevator could fall freely, what would the spring scale read?
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
Posted Date: