PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics
Problem
A block is attached to an ideal horizontal spring. When the spring is stretched by 7.5cm, the spring exerts a restoring force of 4.5N. What is the spring constant of the spring?
(a) 67N/m
(b) 6.0N/m
(c) 60N/m
(d) 45N/m