Problem 1: A uniform thin rod of mass m = 4.4 kg and length L = 1.2 m can rotate about an axle through its center. Four forces are acting on it as shown in the figure. Their magnitudes are F; =4.5 N, F,= 4.5 N, F; = 12.5 N and F 19.5 N. F, acts a distance d= 0.28 m from the center F, 45° *F, of mass. 1 60° F Part (a) Calculate the magnitude t of the torque due to force F1, in newton meters. 7 - 2.7 / Correct! Part (b) Calculate the magnitude 1, of the torque due to force F, in newton meters. t= 0.89 / Correct! Part (c) Calculate the magnitude 13 of the torque due to force F3 in newton meters. Tg-0 v Correct! Part (d) Calculate the magnitude t4 of the torque due to force F, in newton meters. I4=0 / Correct!

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Problem 1: A uniform thin rod of mass m = 4.4 kg and length L = 1.2 m can rotate about
an axle through its center. Four forces are acting on it as shown in the figure. Their magnitudes are
F1 = 4.5 N, F2 = 4.5 N, F3 = 12.5 N and F = 19.5 N. F, acts a distance d= 0.28 m from the center
F,
45°
of mass
60°
F.
3
Part (a) Calculate the magnitude t, of the torque due to force F1, in newton meters.
1 = 2.7
/ Correct!
Part (b) Calculate the magnitude tz of the torque due to force F2 in newton meters.
12= 0.89
/ Correct!
Part (c) Calculate the magnitude t3 of the torque due to force F3 in newton meters.
/ Correct!
13 =0
Part (d) Calculate the magnitude t4 of the torque due to force F, in newton meters.
1=0 v Correct!
Part (e) Calculate the angular acceleration a of the thin rod about its center of mass in radians per square second. Let the counter-clockwise
direction be positive.
a =
sin()
cos()
tan()
8
9
HOME
cotan()
asin()
acos()
E AL
4
6
atan()
acotan()
sinh()
1
2
3
cosh()
tanh()
cotanh()
END
Degrees O Radians
BACKSPACE DEL
CLEAR
Submit
Hint
Feedback
I give up!
Transcribed Image Text:Problem 1: A uniform thin rod of mass m = 4.4 kg and length L = 1.2 m can rotate about an axle through its center. Four forces are acting on it as shown in the figure. Their magnitudes are F1 = 4.5 N, F2 = 4.5 N, F3 = 12.5 N and F = 19.5 N. F, acts a distance d= 0.28 m from the center F, 45° of mass 60° F. 3 Part (a) Calculate the magnitude t, of the torque due to force F1, in newton meters. 1 = 2.7 / Correct! Part (b) Calculate the magnitude tz of the torque due to force F2 in newton meters. 12= 0.89 / Correct! Part (c) Calculate the magnitude t3 of the torque due to force F3 in newton meters. / Correct! 13 =0 Part (d) Calculate the magnitude t4 of the torque due to force F, in newton meters. 1=0 v Correct! Part (e) Calculate the angular acceleration a of the thin rod about its center of mass in radians per square second. Let the counter-clockwise direction be positive. a = sin() cos() tan() 8 9 HOME cotan() asin() acos() E AL 4 6 atan() acotan() sinh() 1 2 3 cosh() tanh() cotanh() END Degrees O Radians BACKSPACE DEL CLEAR Submit Hint Feedback I give up!
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