Question

Three blocks are In contact with one another on frictionless; horizontal surface as in the figure below: horizontal force F is applied to m , where m_ 1.97 kg m2 3.73 kg, mz 4.92 kg, and F = 19.5 N. (Take the +X direction to be to the right:) (a) Find the acceleration of the blocks_ m/s? (b) Find the net force on each block Fi,net Fz, net Fz, net (c) Find the magnitudes of the contact forces between the blocks P12 Pz3' 

          Three blocks are In contact with one another on frictionless; horizontal surface as in the figure below: horizontal force F is applied to m , where m_ 1.97 kg m2 3.73 kg, mz 4.92 kg, and F = 19.5 N. (Take the +X direction to be to the right:)

(a) Find the acceleration of the blocks_ m/s?
(b) Find the net force on each block Fi,net Fz, net Fz, net
(c) Find the magnitudes of the contact forces between the blocks P12 Pz3'
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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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Three blocks are In contact with one another on frictionless; horizontal surface as in the figure below: horizontal force F is applied to m , where m_ 1.97 kg m2 3.73 kg, mz 4.92 kg, and F = 19.5 N. (Take the +X direction to be to the right:) (a) Find the acceleration of the blocks_ m/s? (b) Find the net force on each block Fi,net Fz, net Fz, net (c) Find the magnitudes of the contact forces between the blocks P12 Pz3'
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(III) Three blocks on a frictionless horizontal surface are in contact with each other as shown in Fig. 4-54. A force $\vec{F}$ is applied to block A (mass $m_A$). ($a$) Draw a free-body diagram for each block. Determine ($b$) the acceleration of the system (in terms of $m_A, m_B,$and $m_C$ ), ($c$) the net force on each block, and ($d$) the force of contact that each block exerts on its neighbor. (e) If $m_A=m_B=m_C=$10.0 kg and $F=$96.0 N, give numerical answers to ($b$), ($c$), and ($d$). Explain how your answers make sense intuitively.

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Transcript

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00:01 All right, so let's say we have three blocks pushed across a horizontal surface with a force of 19 .5 newtons.
00:11 And m1 is 1 .97 kilograms.
00:16 M2 is 3 .73 kilograms.
00:20 And m3 is 4 .92 kilograms.
00:26 So first off, we want to know what's the acceleration of each block.
00:29 So this will just be this force 19 .5 divided by the sum of the number...
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