Forces on Blocks in an Elevalor Conceptual Question First shuation Two blocks ar

Question

Forces on Blocks in an Elevalor Conceptual Question First shuation Two blocks are stacked on top of each other on the oor of an elevatlor For each ol the tallowing shuabons, seiect the comect relaionship between the magniludes of the two forces gven (Eaure.1) The elevalor is moving downwand at a conmtant speed Part A You will be aked two quessons about each of three suations Each shuation is descibed above the firt in the pair of questions Do not assume anything about a aton except for what is given in the description for thal particula The magntade of the force of the botitors block on the top block is ne magntde ofthe torce of the eart) on the topbicok My Answers Give Up Part B unkunown compared to The magnitude of the force of the bottom block on top block is Please Choosethe magnitude of the farce of the lop block on bottom blocak My Anewers Give Up Second stuation The elevator is moving downwand at an increasing speed Part C The magntude of the torce of the bottom block on the top block is Pliease Choosethe magnitude of the torce of the earth on the top block My Anwwers Give Up Part D The magnitude ofl the force of the bottom block on the top block is Pease Choosethe magntude of the force of the top bioox on the botom black My Answers Give Up Thid shuation The eievator is moving upward Type here to search

Explanation / Answer

A) equal to
B) equal to
C) less than
D) equal to
E) It is not mentioned whether the elevator is moving upwards with constant speed increasing speed or decreasing speed
a)if speed constant: equal to
b) if increasing speed: greater than
c)if decreasing speed: less than
F) equal to - for all conditions in a), b), and c)

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