m2 m1 Three blocks are arranged as shown in the diagram above. Assume all pulleys and strings are massless and frictionless. There is kinetic friction between blocks 2 and 3 and the planes underneath them. Block 2 is sliding to the right. Block 1 has a mass of m1 = 1.4 kg and it hangs from a string that runs over a pulley. The other end of that string is connected to Block 2 which has a mass of m2 =2.2 kg, and slides over a horizontal plane. On the other side of Block 2 is a different string that runs over another pulley and then connects to Block 3 which has a mass of mass m3 = 4.8 kg, and slides over a plane that is inclined at an angle of 0 = 35 degrees away from vertical (see the diagram, above). Blocks 2 and 3 both slide over their surfaces with a coefficient of kinetic friction of µK = 0.38. Block 2 is moving to the right %3D while block 3 is moving down and to the right. Let g =9.8 meters per second squared. Calculate the acceleration of Block B in units of meters per second squared. An acceleration to the right is positive (an acceleration to the left is negative). m3
m2 m1 Three blocks are arranged as shown in the diagram above. Assume all pulleys and strings are massless and frictionless. There is kinetic friction between blocks 2 and 3 and the planes underneath them. Block 2 is sliding to the right. Block 1 has a mass of m1 = 1.4 kg and it hangs from a string that runs over a pulley. The other end of that string is connected to Block 2 which has a mass of m2 =2.2 kg, and slides over a horizontal plane. On the other side of Block 2 is a different string that runs over another pulley and then connects to Block 3 which has a mass of mass m3 = 4.8 kg, and slides over a plane that is inclined at an angle of 0 = 35 degrees away from vertical (see the diagram, above). Blocks 2 and 3 both slide over their surfaces with a coefficient of kinetic friction of µK = 0.38. Block 2 is moving to the right %3D while block 3 is moving down and to the right. Let g =9.8 meters per second squared. Calculate the acceleration of Block B in units of meters per second squared. An acceleration to the right is positive (an acceleration to the left is negative). m3
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Transcribed Image Text:m2
m1
Three blocks are arranged as shown in the diagram above. Assume all pulleys and strings are
massless and frictionless. There is kinetic friction between blocks 2 and 3 and the planes
underneath them. Block 2 is sliding to the right.
Block 1 has a mass of m1 = 1.4 kg and it hangs from a string that runs over a pulley. The other end
of that string is connected to Block 2 which has a mass of m2 =2.2 kg, and slides over a horizontal
plane. On the other side of Block 2 is a different string that runs over another pulley and then
connects to Block 3 which has a mass of mass m3 = 4.8 kg, and slides over a plane that is inclined
at an angle of 0 = 35 degrees away from vertical (see the diagram, above). Blocks 2 and 3 both slide
over their surfaces with a coefficient of kinetic friction of UK = 0.38. Block 2 is moving to the right
while block 3 is moving down and to the right. Let g =9.8 meters per second squared.
Calculate the acceleration of Block B in units of meters per second squared. An acceleration to the
right is positive (an acceleration to the left is negative).
m3
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