Two Masses Are Suspended by a Cord That Passes Over

question 69

Multiple Choice

Two masses are suspended by a cord that passes over a pulley with negligible mass. The cord also has negligible mass. One of the masses, m₁, has a mass of 5.0 kg and the other mass, m₂, has a mass of 3.0 kg. The acceleration of m₁ is

• A) 3.3 m/s² upward.
• B) 3.3 m/s² downward.
• C) 2.5 m/s² upward.
• D) 2.5 m/s² downward.
• E) 1.1 m/s² upward.

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