Recent content by HeavOnEarth

  1. H

    How Large Must the Force Be to Keep the Crate Moving at Constant Speed?

    Homework Statement A crate of books is to be put on a truck with the help of some planks sloping up at 31◦. The mass of the crate is 70 kg, and the coefficient of sliding friction between it and the planks is 0.4. You and your friends push horizontally with a force ~F . The acceleration of...