Q1. Estimate the spacing between the centers of neighbouring atoms in a piece of solid aluminium, based on knowledge of the density (2700 kg/m3) and atomic mass (26.9815 u) of aluminium.
Q2. A 63-kg chandelier is suspended 1.50 m below a ceiling by three wires, each of which has the same tension and the same length of 2.00 m. Find out the tension in each wire.
Q3. Five people are playing tug-of-war. Anders and alyson pull to the right with 44 N and 34 N, correspondingly. Calid and Marisol pull to the left with 55 N and 35 N, respectively. With what force and in what direction does Benito pul of the game is tied?