Two blocks, A and B, of mass m and 3m respectively, are connected through a cable and a pulley (see figure 3.1). Block A is also attached to a spring, which is fixed to he ground and has a spring constant k = 50 N/m. Block B is on an inclined plane orming an angle of 30 degrees with the horizontal line. Block B is released from rest vith no slack in the cable and with the spring not being stretched or compressed. Assign to m the value in kg of your body weight, then (a) calculate the distance covered by block B once it stops for the first time; assume that there is no friction. (b) assume a kinetic friction force F = 5 N acts on block B and calculate the distance covered by block B once it stops for the first time. State any assumptions and comment on your solutions. B 3m 30°
Two blocks, A and B, of mass m and 3m respectively, are connected through a cable and a pulley (see figure 3.1). Block A is also attached to a spring, which is fixed to he ground and has a spring constant k = 50 N/m. Block B is on an inclined plane orming an angle of 30 degrees with the horizontal line. Block B is released from rest vith no slack in the cable and with the spring not being stretched or compressed. Assign to m the value in kg of your body weight, then (a) calculate the distance covered by block B once it stops for the first time; assume that there is no friction. (b) assume a kinetic friction force F = 5 N acts on block B and calculate the distance covered by block B once it stops for the first time. State any assumptions and comment on your solutions. B 3m 30°
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Question 3
Two blocks, A and B, of mass m and 3m respectively, are connected through a cable
and a pulley (see figure 3.1). Block A is also attached to a spring, which is fixed to
the ground and has a spring constant k = 50 N/m. Block B is on an inclined plane
forming an angle of 30 degrees with the horizontal line. Block B is released from rest
with no slack in the cable and with the spring not being stretched or compressed.
Assign to m the value in kg of your body weight, then
(a) calculate the distance covered by block B once it stops for the first time;
assume that there is no friction.
(b) assume a kinetic friction force F = 5 N acts on block B and calculate the
distance covered by block B once it stops for the first time.
State any assumptions and comment on your solutions.
B
3m
m
130°
Figure 3.1
wwwww
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