Two steel wires support a moveable overhead camera weighing W 29 lb (see figure part (a)) used for close-up viewing of field action at sporting events. Plan view of camera suspension system ULLA W (a) 03. (-70, 55, 80) Wire 2 Wire 3 (-10,-85, 75) 43 Camera (b) (b) If the stresses in wires 1 and 2 must be the same, what is the required diameter (in mils) of wire 17 mils All coordinates in feet (75, 48, 70) Wire 1 At some instant, wire 1 is at an angle a 22° to the horizontal and wire 2 is at angle - 40°. Wires 1 and 2 have diameters of 32 and 36 mils, respectively. (Wire diameters are often expressed in mils: one mil equals 0.001 in.) (a) Determine the tensile stresses d, and ₂ in the two wires (in ksi). ksi ksi Ⓡ (c) To stabilize the camera for windy outdoor conditions, a third wire is added (see figure part (b)). Assume the three wires meet at a common point at coordinates (0, 0, 0) above the camera at the instant shown in figure part (b). Wire 1 is attached to a support at coordinates (75 ft. 48 ft. 70 ft). Wire 2 is supported at (-70 ft. 55 ft. 80 ft). Wine 3 is supported at (-10 ft. -85 ft. 75 ft). Assume that all three wires have a diameter of 30 mils. Find the tensile stresses (in ksi) in all three wires. %₁ =
Two steel wires support a moveable overhead camera weighing W 29 lb (see figure part (a)) used for close-up viewing of field action at sporting events. Plan view of camera suspension system ULLA W (a) 03. (-70, 55, 80) Wire 2 Wire 3 (-10,-85, 75) 43 Camera (b) (b) If the stresses in wires 1 and 2 must be the same, what is the required diameter (in mils) of wire 17 mils All coordinates in feet (75, 48, 70) Wire 1 At some instant, wire 1 is at an angle a 22° to the horizontal and wire 2 is at angle - 40°. Wires 1 and 2 have diameters of 32 and 36 mils, respectively. (Wire diameters are often expressed in mils: one mil equals 0.001 in.) (a) Determine the tensile stresses d, and ₂ in the two wires (in ksi). ksi ksi Ⓡ (c) To stabilize the camera for windy outdoor conditions, a third wire is added (see figure part (b)). Assume the three wires meet at a common point at coordinates (0, 0, 0) above the camera at the instant shown in figure part (b). Wire 1 is attached to a support at coordinates (75 ft. 48 ft. 70 ft). Wire 2 is supported at (-70 ft. 55 ft. 80 ft). Wine 3 is supported at (-10 ft. -85 ft. 75 ft). Assume that all three wires have a diameter of 30 mils. Find the tensile stresses (in ksi) in all three wires. %₁ =
Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter5: Separation Processes
Section: Chapter Questions
Problem 5.34P: using Figure 5-27, what is the advantage of the suspended type magnet over the other two types of...
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Transcribed Image Text:Two steel wires support a moveable overhead camera weighing W = 29 lb (see figure part (a)) used for close-up viewing of field action at sporting events.
Plan view of camera suspension system
W
(a)
%2
03
(-70, 55, 80)
ksi
Wire 2
ksi
Wire 3
ksi
(-10, -85, 75)
(b) If the stresses in wires 1 and 2 must be the same, what is the required diameter (in mils) of wire 1?
mils
Camera
(b)
At some instant, wire 1 is at an angle a = 22° to the horizontal and wire 2 is at angle = 40°. Wires 1 and 2 have diameters of 32 and 36 mils, respectively. (Wire diameters are often expressed in mils; one mil equals 0.001 in.)
(a) Determine the tensile stresses ₁ and ₂ in the two wires (in ksi).
%₁ =
%2
ksi
ksi
All coordinates in feet
(75, 48, 70)
(c) To stabilize the camera for windy outdoor conditions, a third wire is added (see figure part (b)). Assume the three wires meet at a common point at coordinates (0, 0, 0) above the camera at the instant shown in figure part (b). Wire 1 is attached to a support at coordinates (75 ft, 48 ft, 70 ft). Wire 2 is supported at (-70 ft,
55 ft, 80 ft). Wire 3 is supported at (-10 ft, -85 ft, 75 ft). Assume that all three wires have a diameter of 30 mils. Find the tensile stresses (in ksi) in all three wires.
Wire 1
Ⓡ
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