The A kg collar is initially at rest on the bar at position 1 as shown in Figure Q2. The coefficient of friction between collar and the bar is given as µ= 0.1. The collar is subjected to a constant force P= 50 N horizontally. The spring has a constant k= 150 N/m and is held by cables so that it is initially compressed B cm. Suppose the spring will be compressed 100 mm further when the collar hit the spring at position 2. Here, the value of A and B depends on the 5th and 6th digit of my matric number |A = 1 kg and B = 10 cm,

International Edition---engineering Mechanics: Statics, 4th Edition
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ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
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Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...
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A=1Kg

B=10 cm

Q2 The A kg collar is initially at rest on the bar at position 1 as shown in Figure Q2. The
coefficient of friction between collar and the bar is given as u = 0.1. The collar is subjected
to a constant force P= 50 N horizontally. The spring has a constant k= 150 N/m and is held
by cables so that it is initially compressed B cm. Suppose the spring will be compressed 100
mm further when the collar hit the spring at position 2.
Here, the value of A and B depends on the 5th and 6th digit of my matric number JA = 1 kg and
B = 10 cm.
(a)
Sketch the free body diagram of collar at position 1.
(b)
Determine the friction force impose to the collar.
(c)
Analyze the velocity of collar at position 2.
Transcribed Image Text:Q2 The A kg collar is initially at rest on the bar at position 1 as shown in Figure Q2. The coefficient of friction between collar and the bar is given as u = 0.1. The collar is subjected to a constant force P= 50 N horizontally. The spring has a constant k= 150 N/m and is held by cables so that it is initially compressed B cm. Suppose the spring will be compressed 100 mm further when the collar hit the spring at position 2. Here, the value of A and B depends on the 5th and 6th digit of my matric number JA = 1 kg and B = 10 cm. (a) Sketch the free body diagram of collar at position 1. (b) Determine the friction force impose to the collar. (c) Analyze the velocity of collar at position 2.
k = 150 N/m
50 cm
P = 50 N
www
A kg
110 cm
30°
p = 0.1
A kg
Figure Q2
Transcribed Image Text:k = 150 N/m 50 cm P = 50 N www A kg 110 cm 30° p = 0.1 A kg Figure Q2
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