The slotted arm revolves in a horizontal plane about a fixed vertical axis through point O. The 5-lb slider C is attached to cord S and slides inside the smooth slot. At the instant for which r = 1.3 ft, the arm has a constant counterclockwise angular velocity w = 4 rad/sec. (a) For this instant, determine the value of ŕ if the tension in the cord is 8 lb. (r = -30.7 ft/sec²) (b) For this instant, determine the value of ŕ if a normal force of 1.6 lb is exerted on the slider by side A of the slot. (r = 1.29 ft/sec) (c) For this instant, determine the value of ŕ if a normal force of 0.7 lb is exerted on the slider by side B of the slot. (r = -0.56 ft/sec) Ꮎ B A S The top view of the arm.
The slotted arm revolves in a horizontal plane about a fixed vertical axis through point O. The 5-lb slider C is attached to cord S and slides inside the smooth slot. At the instant for which r = 1.3 ft, the arm has a constant counterclockwise angular velocity w = 4 rad/sec. (a) For this instant, determine the value of ŕ if the tension in the cord is 8 lb. (r = -30.7 ft/sec²) (b) For this instant, determine the value of ŕ if a normal force of 1.6 lb is exerted on the slider by side A of the slot. (r = 1.29 ft/sec) (c) For this instant, determine the value of ŕ if a normal force of 0.7 lb is exerted on the slider by side B of the slot. (r = -0.56 ft/sec) Ꮎ B A S The top view of the arm.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:The slotted arm revolves in a horizontal plane about a fixed vertical axis through point O. The 5-lb
slider C is attached to cord S and slides inside the smooth slot. At the instant for which r =
1.3 ft,
the arm has a constant counterclockwise angular velocity w = 4 rad/sec.
(a) For this instant, determine the value of ŕ if the tension in the cord is 8 lb. (r = -30.7 ft/sec²)
(b) For this instant, determine the value of ŕ if a normal force of 1.6 lb is exerted on the slider by
side A of the slot. (r = 1.29 ft/sec)
(c) For this instant, determine the value of ŕ if a normal force of 0.7 lb is exerted on the slider by
side B of the slot. (r = -0.56 ft/sec)
Ꮎ
B
A
S
The top view of the arm.
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