The hand clamp is constructed using a square-threaded screw having a mean diameter of 36 mm, a lead of 4 mm, and a coefficient of static friction at the screw of μs = 0.3. If the clamping force in the board AB is 300 N, determine the reversed force -F that must be applied perpendicular to the handle in order to loosen the screw. 50 mm A B
The hand clamp is constructed using a square-threaded screw having a mean diameter of 36 mm, a lead of 4 mm, and a coefficient of static friction at the screw of μs = 0.3. If the clamping force in the board AB is 300 N, determine the reversed force -F that must be applied perpendicular to the handle in order to loosen the screw. 50 mm A B
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.56P: The square-threaded screw 0f the C-clamp has a mean diameter of 8 mm and a pitch of 1.6 mm. The...
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![The hand clamp is constructed using a square-threaded screw having a mean diameter of
36 mm, a lead of 4 mm, and a coefficient of static friction at the screw of us = 0.3. If the
clamping force in the board AB is 300 N, determine the reversed force −F that must be applied
perpendicular to the handle in order to loosen the screw.
50 mm
F
A
B](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1467f162-7185-45ab-925a-2589d3c8cce7%2Fbb614873-dfe4-4dc3-a22b-52200c90ab97%2F1j3sa_processed.png&w=3840&q=75)
Transcribed Image Text:The hand clamp is constructed using a square-threaded screw having a mean diameter of
36 mm, a lead of 4 mm, and a coefficient of static friction at the screw of us = 0.3. If the
clamping force in the board AB is 300 N, determine the reversed force −F that must be applied
perpendicular to the handle in order to loosen the screw.
50 mm
F
A
B
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