PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics
Problem
In an ideal Atwood machine, an unknown mass m is suspended on one side and a 4.0kg mass on the other side. When released, the unknown mass is observed to accelerate upward at 0.60ms−2. Calculate the value of m.
(a) 4.5kg
(b) 3.2kg
(c) 3.5kg
(d) 3.8kg