The Three Blocks Shown Are Released from Rest and Are

question 28

Multiple Choice

The three blocks shown are released from rest and are observed to move with accelerations that have a magnitude of 1.5 m/s². What is the magnitude of the friction force on the block that slides horizontally? Disregard any pulley mass or friction in the pulley and let M = 2.0 kg.

• A)6.0 N
• B)5.1 N
• C)5.5 N
• D)4.6 N
• E)3.7 N

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