Consider a bar, of length 4.5 m, shown in the figure, being acted on by trained to rotate about it's left end. The magnitudes of the first two forces d the first force is acting on the end of the bar at an angle of 43° as

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Chapter1: Units, Trigonometry. And Vectors
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Problem 10: Consider a bar, of length 4.5 m, shown in the figure, being acted on by
F3
three forces, and constrained to rotate about it's left end. The magnitudes of the first two forces
are 29 N and 33 N, and the first force is acting on the end of the bar at an angle of 43° as
shown.
F2
Part (a) What is the torque, in newton-meters, due to F1 on this bar relative to the left end? Use a coordinate system with positive directed out of
sin()
cos()
tan()
7
8
9
НОМЕ
asin()
acotan()
cotan()
acos()
E
5
6
atan()
sinh()
1
*
3
tanh()
O Degrees O Radians
cosh()
cotanh()
+
END
-
Vo BACKSPACE
DEL
CLEAR
Submit
Hint
Feedback
I give up!
Hints: 0% deduction per hint. Hints remaining: 2
Feedback: 0% deduction per feedback.
Part (b) What is the torque, in newton-meters, due to F, on this bar relative to the left end, if this force is acting at the midpoint of the bar? Use a
coordinate system with positive directed out of the screen.
, Part (c) What is the magnitude of the force F3, in newtons, if the force is a distance 0.45 m from the left end and the bar is not rotating?
Transcribed Image Text:Problem 10: Consider a bar, of length 4.5 m, shown in the figure, being acted on by F3 three forces, and constrained to rotate about it's left end. The magnitudes of the first two forces are 29 N and 33 N, and the first force is acting on the end of the bar at an angle of 43° as shown. F2 Part (a) What is the torque, in newton-meters, due to F1 on this bar relative to the left end? Use a coordinate system with positive directed out of sin() cos() tan() 7 8 9 НОМЕ asin() acotan() cotan() acos() E 5 6 atan() sinh() 1 * 3 tanh() O Degrees O Radians cosh() cotanh() + END - Vo BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. Part (b) What is the torque, in newton-meters, due to F, on this bar relative to the left end, if this force is acting at the midpoint of the bar? Use a coordinate system with positive directed out of the screen. , Part (c) What is the magnitude of the force F3, in newtons, if the force is a distance 0.45 m from the left end and the bar is not rotating?
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