The man tries to open the valvePublished August 18, 2017 at dimensions 295 × 346 in The man tries to open the valve. https://www.questionsolutions.com/wp-content/uploads/2017/08/valve1.pngImage from: Hibbeler, R. C., S. C. Fan, Kai Beng. Yap, and Peter Schiavone. Statics: Mechanics for Engineers. Singapore: Pearson, 2013.