AP Physics 1mediummcq1 pt
An Atwood machine has masses 3.0 kg and 2.0 kg connected over a frictionless, massless pulley (g = 10 m/s²). The magnitude of the system's acceleration is
A.2.0 m/s²
B.10 m/s²
C.5.0 m/s²
D.0.5 m/s²
Explanation
Core Concept
a = g(m₁ − m₂)/(m₁ + m₂) = 10(1)/5 = 2.0 m/s².
Correct Answer
A2.0 m/s²
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