0 votes
578 views
asked in md by (215k points)
edited by

The maximum efficiency of a screw jack having square threads with friction angle $\varphi$ is 

Please log in or register to answer this question.

Welcome to Q&A discussion forum, where you can ask questions and receive answers from other members of the community.

10.4k questions

274 answers

26 comments

15.3k users

...