A block of mass m1 = 2.15 kg and a block of mass m2 = 6.10 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R 0.250 m and mass M = 10.0 kg. The fixed, wedge-shaped ramp makes an angle of 0 = 30.0° as shown in the figure. The coefficient of kinetic friction is 0.360 for both blocks. Use g=9.8 m/s2. М, R (b) Determine the acceleration of the two blocks. (Enter the magnitude of the acceleration.) m/s2 (c) Determine the tensions in the string on both sides of the pulley. left of the pulley right of the pulley

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Chapter12: Rotation I: Kinematics And Dynamics
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Problem 53PQ: A square plate with sides 2.0 m in length can rotatearound an axle passingthrough its center of...
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A block of mass m1
= 2.15 kg and a block of mass m, = 6.10 kg are connected by a massless string over a pulley in the
shape of a solid disk having radius R
= 0.250 m and mass M
= 10.0 kg. The fixed, wedge-shaped ramp makes an angle of 0
= 30.0° as shown in the figure. The coefficient of kinetic friction is 0.360 for both blocks. Use g=D9.8 m/s2.
М, R
m2
(b) Determine the acceleration of the two blocks. (Enter the magnitude of the acceleration.)
m/s2
(c) Determine the tensions in the string on both sides of the pulley.
left of the pulley
right of the pulley
Transcribed Image Text:A block of mass m1 = 2.15 kg and a block of mass m, = 6.10 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 10.0 kg. The fixed, wedge-shaped ramp makes an angle of 0 = 30.0° as shown in the figure. The coefficient of kinetic friction is 0.360 for both blocks. Use g=D9.8 m/s2. М, R m2 (b) Determine the acceleration of the two blocks. (Enter the magnitude of the acceleration.) m/s2 (c) Determine the tensions in the string on both sides of the pulley. left of the pulley right of the pulley
A spool of thread consists of a cylinder of radius R1
7.2 cm with end caps of radius R2
= 9.0 cm as depicted in the end
view shown in the figure below. The mass of the spool, including the thread, is m = 180 g. The spool is placed on a rough,
horizontal surface so that it rolls without slipping when a force T = 0.450 N acting to the right is applied to the free end of
the thread. For the moment of inertia treat the spool as being a solid cylinder of radius R1, as the extended edges are thin
and therefore light.
\R2
R1
(a) What is the acceleration of the spool? Take positive to be to the right.
m/s2
(b) Determine the direction of the force of friction.
to the left
to the right
straight up
straight down
Transcribed Image Text:A spool of thread consists of a cylinder of radius R1 7.2 cm with end caps of radius R2 = 9.0 cm as depicted in the end view shown in the figure below. The mass of the spool, including the thread, is m = 180 g. The spool is placed on a rough, horizontal surface so that it rolls without slipping when a force T = 0.450 N acting to the right is applied to the free end of the thread. For the moment of inertia treat the spool as being a solid cylinder of radius R1, as the extended edges are thin and therefore light. \R2 R1 (a) What is the acceleration of the spool? Take positive to be to the right. m/s2 (b) Determine the direction of the force of friction. to the left to the right straight up straight down
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