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May 22, 2015

Homework Help: Physics

Posted by Cesar on Sunday, February 20, 2011 at 11:06pm.

Blocks of mass 4, 8, and 24 kg are lined up from left to right in that order on a frictionless surface so each block is touching the next one. A rightward-pointing force of magnitude 15 N is applied to the left-most block.

a.)What is the magnitude of the force that the middle block exerts on the rightmost one?

b.)What is the magnitude of the force that the leftmost block exerts on the middle one?

c.)Suppose now that the left-right order of the blocks is reversed. Now find the magnitude of the force that the leftmost block exerts on the middle one?

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