In the figure below, the light, taut, unstretchable cord B joins block 1 and the

Question

In the figure below, the light, taut, unstretchable cord B joins block 1 and the larger-mass block 2. Cord A exerts a force on block 1 to make it accelerate forward.

http://www.webassign.net/sercp9/4-p-034.gif

(a) How does the magnitude of the force exerted by cord A on block 1 compare with the magnitude of the force exerted by cord B on block 2? Is it larger, smaller, or equal?
equal
smaller
larger

(b) How does the acceleration of block 1 compare with the acceleration (if any) of block 2?
smaller
equal
larger

(c) Does cord B exert a force on block 1? If so, is it forward or backward? Is it larger, smaller, or equal in magnitude to the force exerted by cord B on block 2?
Yes; forward and greater than
Yes; forward and equal
Yes; forward and less than
Yes; backward and greater than
Yes; backward and equal
Yes; backward and less than
No

Explanation / Answer

smaller equal Yes; forward and less than

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