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

Question

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

Quizplus · Accepted Answer

The Answer of 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

The Three Blocks Shown Are Released from Rest and Are