Energy and Human Beings in Ancient Times - 2535 Words

Introduction Energy and human beings in ancient times: In ancient times human muscles and animals were the primary source of energy. Man utilized this type of energy into his daily life activities by producing more work with least amount of human effort and time. So this form of energy was used in preparing weapons and other human controlled hearths to change the form of other metals for its use. Energy can be transformed from one form to another that can be either used for beneficent or destruction purpose. Greeks also completed their energy requirement from sun light. The ancient Greeks used the solar energy not only for domestic purpose but they used it as a weapon of mass destruction. They used great mirrors on their harbor to reflect the sunlight on enemy wooden ships to burn their sails. Form Of Energy : Energy is defined as â€Å"ability of body to do work† is called energy. Energy can be measured in the following units. †¢ Calorie †¢ Kilo Watt †¢ Joule †¢ The types of energy are given below. †¢ Kinetic Energy †¢ Potential Energy †¢ Chemical Energy †¢ Light Energy †¢ Nuclear Energy †¢ Solar Energy †¢ Wind Energy Kinetic Energy: Kinetic energy can be defined as †Energy possessed by an object due to its movement† is called kinetic energy. Every moving an object has kinetic energy. When ball is moving in air it hasShow MoreRelatedWhat Does Gods Image?1314 Words   |  6 Pagesconcerning God fitting into humanity’s sexual beings; as this debate continues to meander into space and time. In Part I, an endeavor proceeds to identify with how God’s Image could conceivably persist as being connected to people’s sexuality. In viewing Biblical teachings, the text informs us that God created male and female in His own image (Gen 1:27). 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