Q4.) The 12 kg block 4 and 10 kg block B are pinned to a rod having negligible mass and resting on horizontal surfaces. A horizontal force P is applied to the rod at end C increasing gradually from zero until motion first begins. a) If the coefficient of static friction between both blocks and each surface is μ = 0.45, determine the value for P at which point motion first begins and describe the motion that occurs in a few brief words. b) If the coefficient of static friction between both blocks and each surface is μ = 0.6, determine the value for P at which point motion first begins and describe the motion that occurs in a few brief words. (Hint: Consider drawing the system as one FBD for this analysis) P 100 mm 200 mm Be 10 kg 12 kg
Q4.) The 12 kg block 4 and 10 kg block B are pinned to a rod having negligible mass and resting on horizontal surfaces. A horizontal force P is applied to the rod at end C increasing gradually from zero until motion first begins. a) If the coefficient of static friction between both blocks and each surface is μ = 0.45, determine the value for P at which point motion first begins and describe the motion that occurs in a few brief words. b) If the coefficient of static friction between both blocks and each surface is μ = 0.6, determine the value for P at which point motion first begins and describe the motion that occurs in a few brief words. (Hint: Consider drawing the system as one FBD for this analysis) P 100 mm 200 mm Be 10 kg 12 kg
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Q4.) The 12 kg block 4 and 10 kg block B are pinned to a rod having negligible mass and resting
on horizontal surfaces. A horizontal force P is applied to the rod at end C increasing gradually
from zero until motion first begins.
a) If the coefficient of static friction between both blocks and each surface is μ = 0.45,
determine the value for P at which point motion first begins and describe the motion that
occurs in a few brief words.
b) If the coefficient of static friction between both blocks and each surface is μ = 0.6,
determine the value for P at which point motion first begins and describe the motion that
occurs in a few brief words.
(Hint: Consider drawing the system as one FBD for this analysis)
с
P
100 mm
200 mm
Ac
Be 10 kg
25°
12 kg
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