Two Masses Are Connected by a Cord That Passes Over

question 68

Multiple Choice

Two masses are connected by a cord that passes over a pulley as shown in the figure. The pulley and cord have negligible mass and m₂ (2.0 kg) moves on a horizontal surface without friction, while m₁ (2.0 kg) is suspended vertically. What is the acceleration of m₁?

• A) 3.9 m/s² downward
• B) 12 m/s² downward
• C) 6.0 m/s² downward
• D) 4.9 m/s² downward

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