McCaleb

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

Questions

The following questions were asked by visitors named McCaleb.

A pulley system has an efficiency of 78.0 per- cent. The acceleration of gravity is 9.81 m/s2 . How much of the rope must be pulled in if a force of 469 N is needed to lift a 52 kg desk 2.78 m?
14 years ago

Answers

The following answers were posted by visitors named McCaleb.