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The concept of pressure is demonstrated by supporting a block of lead on surfaces of various areas. When the lead block is supported by a small surface pushing against a Styrofoam pad, the Styrofoam is deformed, while the pad is not deformed when the lead block is supported by a larger surface pushing against the same pad. Equipment: - Lead brick - Scale (pounds) - Piece of styrofoam - Wood block with bolt attached ---------------------------- This video is part of the project "Videos of Physics Demonstrations", which is created by Dr. Galli and Dr. Amiri of Physics Department, Weber State University. To access the full library of the videos, please visit this link: https://www.weber.edu/physics/amiri_galli.html Links to University and Department: Weber State University Homepage: https://www.weber.edu/ WSU Physics Department: https://www.weber.edu/physics