(6%) Problem 8: Four forces (1, 2, 3, and 4) are in the x-y plane and act on an irregularly shaped object, as shown. Force 1 has a magnitude of F₁ = 2.66 N and a point of application on the y axis a distance r₁ = 2.55 m from the origin. Force 1 makes an angle of a = 25.4 degrees with the dashed line that is parallel to the x axis, as shown. Force 2 has a magnitude of F₂ = 4.13 N and a point of application that is a distance r2 = 3.87 m from the origin. Force 2 is perpendicular to a line connecting its point of application to the origin. Force 3 has a magnitude of F3 = 4.13 N and a point of application on the x axis a distance r3 = 2.55 m from the origin. Force 3 makes an angle of ß = 21.3 degrees with the dashed line that is parallel to the y axis, as shown. Force 4 has a magnitude of F4 = 2.66 N and its point of application is the origin. T= N.m sin() cotan() atan() acotan() cosh() tanh() cos() asin() A What is the magnitude of the net torque about the z axis (which is directed out of the screen at the origin) in units of N-m? tan() acos() sinh() cotanh() Degrees Radians Submit Hint π E ( 1 + ) 7 ^ 4 1 0 END V BACKSPACE DEL CLEAR Feedback 8 9 HOME 5 6 2 3 - I give up! F₁ . FA 12 13 F₂ ...... Grade Summary Deductions Potential 0% 100% Submissions. Attempts remaining: 10 (0% per attempt) detailed view x
(6%) Problem 8: Four forces (1, 2, 3, and 4) are in the x-y plane and act on an irregularly shaped object, as shown. Force 1 has a magnitude of F₁ = 2.66 N and a point of application on the y axis a distance r₁ = 2.55 m from the origin. Force 1 makes an angle of a = 25.4 degrees with the dashed line that is parallel to the x axis, as shown. Force 2 has a magnitude of F₂ = 4.13 N and a point of application that is a distance r2 = 3.87 m from the origin. Force 2 is perpendicular to a line connecting its point of application to the origin. Force 3 has a magnitude of F3 = 4.13 N and a point of application on the x axis a distance r3 = 2.55 m from the origin. Force 3 makes an angle of ß = 21.3 degrees with the dashed line that is parallel to the y axis, as shown. Force 4 has a magnitude of F4 = 2.66 N and its point of application is the origin. T= N.m sin() cotan() atan() acotan() cosh() tanh() cos() asin() A What is the magnitude of the net torque about the z axis (which is directed out of the screen at the origin) in units of N-m? tan() acos() sinh() cotanh() Degrees Radians Submit Hint π E ( 1 + ) 7 ^ 4 1 0 END V BACKSPACE DEL CLEAR Feedback 8 9 HOME 5 6 2 3 - I give up! F₁ . FA 12 13 F₂ ...... Grade Summary Deductions Potential 0% 100% Submissions. Attempts remaining: 10 (0% per attempt) detailed view x
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter9: Statics And Torque
Section: Chapter Questions
Problem 17PE: To get up on the roof, a person (mass 70.0 kg) places a 6.00-m aluminum ladder (mass 10.0 kg)...
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Transcribed Image Text:(6%) Problem 8: Four forces (1, 2, 3, and 4) are in the x-y plane and act on an irregularly
shaped object, as shown. Force 1 has a magnitude of F1 = 2.66 N and a point of application on
the y axis a distance r
with the dashed line that is parallel to the x axis, as shown. Force 2 has a magnitude of F2 = 4.13
2.55 m from the origin. Force 1 makes an angle of a = 25.4 degrees
N and a point of application that is a distance r2 = 3.87 m from the origin. Force 2 is
F2
perpendicular to a line connecting its point of application to the origin. Force 3 has a magnitude
of F3 = 4.13 N and a point of application on the x axis a distance r3 = 2.55 m from the origin.
Force 3 makes an angle of ß = 21.3 degrees with the dashed line that is parallel to the y axis, as
shown. Force 4 has a magnitude of F4 = 2.66 N and its point of application is the origin.
F.
F,
B
What is the magnitude of the net torque about the z axis (which is directed out of the screen at the origin) in units of N m?
Grade Summary
T =
N.m
Deductions
0%
Potential
100%
sin()
cotan()
atan()
tan()
acos()
cos()
7
8.
9.
Submissions
НOME
Attempts remaining: 10
(0% per attempt)
asin()
E
4
5
acotan()
sinh()
1
2
3
detailed view
cosh()
tanh()
cotanh()
END
-
Degrees O Radians
CLEAR
BACKSPACE
DEL
Feedback
I give up!
Submit
Hint
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