In the figure above, two blocks are connected by a massless string and slide along a frictionless horizontal surface. Block 1 has mass m1=10 kg and block 2 has mass m2=5 kg. A force of 30 N is applied to block 2 as shown. (a) For m1, draw the free-body diagram, and write out E F = ma, (b) Draw the free-body diagram for the string. (c) For m2, draw the free-body diagram, and write out F, = ma,

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string
30 N
m1
m2
In the figure above, two blocks are connected by a massless string
and slide along a frictionless horizontal surface. Block 1 has mass
m1=10 kg and block 2 has mass m2=5 kg. A force of 30 N is applied
to block 2 as shown.
(a) For m1, draw the free-body diagram, and write out E F = max.
(b) Draw the free-body diagram for the string.
(c) For m2, draw the free-body diagram, and write out E F, = maz.
(d) For the combined system consisting of m1+string+m2, draw the
free-body diagram (there should be just three forces). Then write
out E F, = ma, for the combined system.
(e) Use your equations above to solve for the acceleration of the
system and the tension in the string. Hint: the tension in the string is
not 30 N.
Transcribed Image Text:string 30 N m1 m2 In the figure above, two blocks are connected by a massless string and slide along a frictionless horizontal surface. Block 1 has mass m1=10 kg and block 2 has mass m2=5 kg. A force of 30 N is applied to block 2 as shown. (a) For m1, draw the free-body diagram, and write out E F = max. (b) Draw the free-body diagram for the string. (c) For m2, draw the free-body diagram, and write out E F, = maz. (d) For the combined system consisting of m1+string+m2, draw the free-body diagram (there should be just three forces). Then write out E F, = ma, for the combined system. (e) Use your equations above to solve for the acceleration of the system and the tension in the string. Hint: the tension in the string is not 30 N.
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