Q3) A lug wrench is used to tighten a square-head bolt. If 50-lb forces are applied to the wrench as shown, determine the magnitude F of the equal forces exerted on the four contact points on the 1-in. bolt head so that their external effect on the bolt is equivalent to that of the two 50-lb forces. Assume that the forces are perpendicular to the flats of the bolt head. 50 lb A View C Detail (clearances exaggerated)
Q3) A lug wrench is used to tighten a square-head bolt. If 50-lb forces are applied to the wrench as shown, determine the magnitude F of the equal forces exerted on the four contact points on the 1-in. bolt head so that their external effect on the bolt is equivalent to that of the two 50-lb forces. Assume that the forces are perpendicular to the flats of the bolt head. 50 lb A View C Detail (clearances exaggerated)
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter6: Beams And Cables
Section: Chapter Questions
Problem 6.65P: Cable AB supports the uniformly distributed load of 4 kN/m. If the slope of the cable at A is zero,...
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![Q3) A lug wrench is used to tighten a square-head bolt. If 50-lb forces are applied to the
wrench as shown, determine the magnitude F of the equal forces exerted on the four contact
points on the 1-in. bolt head so that their external effect on the bolt is equivalent to that of the
two 50-lb forces. Assume that the forces are perpendicular to the flats of the bolt head.
50 lb
A
View C Detail
(clearances exaggerated)
14"
50 lb
14"
B.
Q4) A commercial airliner with four jet engines, each producing 90 kN of forward thrust, is
in a steady, level cruise when engine number 3 suddenly fails. Determine and locate the
resultant of the three remaining engine thrust vectors. Treat this as a two-dimensional
problem.
4
90 kN
9 m
12 m
12 m
90 kN
9 m
90 kN
1
Good luck](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff3ec7d3f-6ce7-4398-95e3-83c52fbadddc%2F88172c6a-1994-4936-aab2-f8cb06a56091%2F3oapvln_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q3) A lug wrench is used to tighten a square-head bolt. If 50-lb forces are applied to the
wrench as shown, determine the magnitude F of the equal forces exerted on the four contact
points on the 1-in. bolt head so that their external effect on the bolt is equivalent to that of the
two 50-lb forces. Assume that the forces are perpendicular to the flats of the bolt head.
50 lb
A
View C Detail
(clearances exaggerated)
14"
50 lb
14"
B.
Q4) A commercial airliner with four jet engines, each producing 90 kN of forward thrust, is
in a steady, level cruise when engine number 3 suddenly fails. Determine and locate the
resultant of the three remaining engine thrust vectors. Treat this as a two-dimensional
problem.
4
90 kN
9 m
12 m
12 m
90 kN
9 m
90 kN
1
Good luck
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