1.A man has a mass of 100 kg. how much pressure would he apply to an I-beam if his shoes each have an area of 50 cm? what is his normal force?
2,Briefly describe the differences between Metals, Polymers and Ceramics in terms of molecular bonding. Which of the material from the above three would you select for strengthening the floor of an elevated platform on which industrial machinery, which generates impacts and vibrations, is located and why? Please provide detailed solutions, steps and explanations