A plate in the shape of a parallelogram is acted upon by two couples. Determine the following: a) the moment of the couple formed by the two 84 N forces, b) the perpendicular distance between the 48 N forces if the resultant of the two couples is zero, and c) the value of a if the resultant couple is 2.88 N-m clockwise and d is 42 cm. 84 NC 48 N A D α 84 N d B 18 N 16 cm

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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For part B (answer is 0.28m) can you draw where the perpendicular distance between 48N forces is? And also can you show me the equation for part B? Because for part A (answer is 13.44N) I used M = Fx • Dy Fx is 84 kN and Dy is 16cm. I’m confused that the answer key for part B uses M = Fy • Dx M= 13.44 N•M Fy= 48 N I’m probably misunderstanding Dx at part B. So can you fully explain this question. Thank you!!!
A plate in the shape of a parallelogram is acted upon by two couples. Determine the following:
a) the moment of the couple formed by the two 84 N forces,
b) the perpendicular distance between the 48 N forces if the resultant of the two couples is zero,
and
c) the value of a if the resultant couple is 2.88 N-m clockwise and d is 42 cm.
84 N C
48 N
A
D
a
84 N
d
B
18 N
16 cm
Transcribed Image Text:A plate in the shape of a parallelogram is acted upon by two couples. Determine the following: a) the moment of the couple formed by the two 84 N forces, b) the perpendicular distance between the 48 N forces if the resultant of the two couples is zero, and c) the value of a if the resultant couple is 2.88 N-m clockwise and d is 42 cm. 84 N C 48 N A D a 84 N d B 18 N 16 cm
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For part C, why is d in "M2 = fd" equal to 42sin(a)?

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For part c, why is Mnet and M2 negative?

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