A student suspends a chain consisting of three links, each of mass m = 0.250 kg, from a light rope. The rope is attached to the top link of the chain, which does not swing. She pulls upward on the rope, so that the rope applies an upward force of 9.00 N to the chain. (a) Draw a freebody diagram for the entire chain, considered as an object, and one for each of the three links. (b) Use the diagrams of part (a) and Newton’s laws to find (i) the acceleration of the chain, (ii) the force exerted by the top link on the middle link, and (iii) the force exerted by the middle link on the bottom link. Treat the rope as massless.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 32PQ: If the vector components of the position of a particle moving in the xy plane as a function of time...
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A student suspends a chain consisting of three links, each of mass
m = 0.250 kg, from a light rope. The rope is attached to the top link of
the chain, which does not swing. She pulls upward on the rope, so that
the rope applies an upward force of 9.00 N to the chain. (a) Draw a freebody
diagram for the entire chain, considered as an object, and one for
each of the three links. (b) Use the diagrams of part (a) and Newton’s
laws to find (i) the acceleration of the chain, (ii) the force exerted by the
top link on the middle link, and (iii) the force exerted by the middle link
on the bottom link. Treat the rope as massless.

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