Tweedledum and Tweedledee are carrying a uniform wooden board that is L = 3.00 m long and has a weight of www = 160 N. If Tweedledum applies an upward force of magnitude F1 = 60.0 N at the left end of the board, at what point and with what magnitude F2 of force does Tweedledee have to lift for the board to be carried?a) see attached picture for question Part DWhich of the following is the correct equation for ET for the given rotation axis? All rotation axes lie on the x axis and torquesthat would cause a counterclockwise rotation are positive.Axis of RotationΣΤzwL+ F2d = 0Ax = 0x = LwL – F2(L – d) – F;L = 0-글wL + Fad= 0x = 0|- F,d – F2 (d – L) =|-}F,L+ F (d – T.)FL+ F2 (d - L)Dx = dEFx =Enter the letter(s) of the correct equation(s) in alphabetical order. For instance, if you thought that choices A, B, andD were correct, you would enter ABD.v View Available Hint(s)B.

Answered: Tweedledum and Tweedledee are carrying…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And Gravitation

Section: Chapter Questions

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Tweedledum and Tweedledee are carrying a uniform wooden board that is L = 3.00 m long and has a weight of www = 160 N. If Tweedledum applies an upward force of magnitude F1 = 60.0 N at the left end of the board, at what point and with what magnitude F2 of force does Tweedledee have to lift for the board to be carried?

a) see attached picture for question

Part D
Which of the following is the correct equation for ET for the given rotation axis? All rotation axes lie on the x axis and torques
that would cause a counterclockwise rotation are positive.
Axis of Rotation
ΣΤ
zwL+ F2d = 0
A
x = 0
x = L
wL – F2(L – d) – F;L = 0
-글wL + Fad= 0
x = 0
|- F,d – F2 (d – L) =
|-}F,L+ F (d – T.)
FL+ F2 (d - L)
D
x = d
E
F
x =
Enter the letter(s) of the correct equation(s) in alphabetical order. For instance, if you thought that choices A, B, and
D were correct, you would enter ABD.
v View Available Hint(s)
B.

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