1) Prof. K. climbed a wall and is now stuck and hungry. One of her ME 242 students saw this opportunity to test one of their pulley mechanisms to lift some pizza boxes for Prof. K. If the student is pulling the free end with a velocity of 2.75 ft/s. a) What is the mechanical advantage between the student and the pizza boxes? Hint: The link between pulleys 1 and 4 is rigid (meaning that they must move together. This is the key to solving this problem! b) What is the velocity of the pizza boxes? Be sure to indicate which direction it is moving. [Ans. to check: 1.375 ft/s] PizzA 9:02 AM

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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1) Prof. K. climbed a wall and is now stuck and hungry. One of her ME 242 students saw this
opportunity to test one of their pulley mechanisms to lift some pizza boxes for Prof. K. If the
student is pulling the free end with a velocity of 2.75 ft/s.
a) What is the mechanical advantage between the student and the pizza boxes? Hint: The
link between pulleys 1 and 4 is rigid (meaning that they must move together. This is the
key to solving this problem!
b) What is the velocity of the pizza boxes? Be sure to indicate which direction it is moving.
[Ans. to check: 1.375 ft/s]
PizzA
9:02 AM
30°F Sunny
2/16/2022
P Type here to search
PrtScn
FB
Home
F9
End
F10
PgUp
PgDn
12
11
DII
F5
F7
F4
Esc
F2
F3
立
Transcribed Image Text:1) Prof. K. climbed a wall and is now stuck and hungry. One of her ME 242 students saw this opportunity to test one of their pulley mechanisms to lift some pizza boxes for Prof. K. If the student is pulling the free end with a velocity of 2.75 ft/s. a) What is the mechanical advantage between the student and the pizza boxes? Hint: The link between pulleys 1 and 4 is rigid (meaning that they must move together. This is the key to solving this problem! b) What is the velocity of the pizza boxes? Be sure to indicate which direction it is moving. [Ans. to check: 1.375 ft/s] PizzA 9:02 AM 30°F Sunny 2/16/2022 P Type here to search PrtScn FB Home F9 End F10 PgUp PgDn 12 11 DII F5 F7 F4 Esc F2 F3 立
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