A block is suspended from a spring balance inside an elevator that is accelerating…

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

2.0\,\text{kg}

block is suspended from a spring balance inside an elevator that is accelerating downward at

2.0\,\text{m}\,\text{s}^{-2}

. What is the reading of the spring balance? (Take

g = 9.8\,\text{m}\,\text{s}^{-2}

.) (a)

23.6\,\text{N}

(b)

15.6\,\text{N}

(c)

7.8\,\text{N}

(d)

19.6\,\text{N}