Yahya Shekha

This page lists questions and answers that were posted by visitors named Yahya Shekha.

Questions

The following questions were asked by visitors named Yahya Shekha.

A load of 500N is raised through 5m by a machine when it's effort E moves simultaneously through a distance of 25m along it's direction. If the machine has efficiency of 80% , calculate a) Total work done by machine. b) Value of E

Answers

The following answers were posted by visitors named Yahya Shekha.

Work done by the effort is 12,000J . The efficiency is 83.3%. The effort applied is 120.

Total work done by the machine is 5,625J. Value of E is 125N.