A cord passing over a pulley connects two masses, as shown, where m, = 4.30 kg and m, = 6.00 kg. The system accelerates with a magnitude of 0.64 m/s². The coefficient of kineti friction between the masses and the incline is the same for both masses. Assume the pulley is frictionless, and the cord is massless. (Due to the nature of this problem do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) m2 m, 35.0° 35.0° (a) What is the coefficient of kinetic friction? Draw free-body diagrams for both blocks and write Newton's second-law equations in the x and y-directions. Condense your four equations two by substituting, and solve the system of two equations for the two unknowns, Hy and T. (b) What is the tension (in N) in the cord?

University Physics Volume 1
18th Edition
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Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
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A cord passing over a pulley connects two masses, as
shown, where m, - 4.20 kg and m, - 600 kg The system accelerates
m2 = 6.00 kg.
with a magnitude of 0.64 m/s2. The coefficient of kinetic
friction between the masses and the incline is the same
for both masses. Assume the pulley is frictionless, and
the cord is massless. (Due to the nature of this problem,
do not use rounded intermediate values in your
calculations-including answers submitted in
WebAssign.)
m2
m,
35.0°
35.0°/
(a)
What is the coefficient of kinetic friction?
Draw free-body diagrams for both blocks and write Newton's second-law equations in the x and y-directions. Condense your four equations into
two by substituting, and solve the system of two equations for the two unknowns, uy and T.
(b)
What is the tension (in N) in the cord?
Draw free-body diagrams for both blocks and write Newton's second-law equations in the x- and y-directions. Condense your four equations into
two by substituting, and solve the system of two equations for the two unknowns, Hy and T. N
Transcribed Image Text:A cord passing over a pulley connects two masses, as shown, where m, - 4.20 kg and m, - 600 kg The system accelerates m2 = 6.00 kg. with a magnitude of 0.64 m/s2. The coefficient of kinetic friction between the masses and the incline is the same for both masses. Assume the pulley is frictionless, and the cord is massless. (Due to the nature of this problem, do not use rounded intermediate values in your calculations-including answers submitted in WebAssign.) m2 m, 35.0° 35.0°/ (a) What is the coefficient of kinetic friction? Draw free-body diagrams for both blocks and write Newton's second-law equations in the x and y-directions. Condense your four equations into two by substituting, and solve the system of two equations for the two unknowns, uy and T. (b) What is the tension (in N) in the cord? Draw free-body diagrams for both blocks and write Newton's second-law equations in the x- and y-directions. Condense your four equations into two by substituting, and solve the system of two equations for the two unknowns, Hy and T. N
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