Solution Found!
Answer: The column is used to support the upper floor. If
Chapter 8, Problem 8-69(choose chapter or problem)
The column is used to support the upper floor. If a force F = 80 N is applied perpendicular to the handle to tighten the screw, determine the compressive force in the column. The square-threaded screw on the jack has a coefficient of static friction of \(\mu_{\mathrm{s}}\) = 0.4, mean diameter of 25 mm, and a lead of 3 mm
Questions & Answers
QUESTION:
The column is used to support the upper floor. If a force F = 80 N is applied perpendicular to the handle to tighten the screw, determine the compressive force in the column. The square-threaded screw on the jack has a coefficient of static friction of \(\mu_{\mathrm{s}}\) = 0.4, mean diameter of 25 mm, and a lead of 3 mm
ANSWER:
Step 1 of 3
The moment equilibrium equation of the screw is
From here we can express as:
The moment in the screw is:
is radius