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…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter10: Fixed-axis Rotation

Section: Chapter Questions

Problem 48P: An ultracentrifuge accelerates from to 100,000 rpm in 2.00 min. (a) What is the average angular...

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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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