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  1. 5. energy the branch of physics or technology concerned with the mechanical properties of gases. pneumatics the branch of physics or technology concerned with the mechanical properties of gases. solar energy The tremendous growth in the U.S. solar industry is helping to pave the way to a cleaner, more sustainable energy future
  2. 6. energy In physics, energy is the property that must be transferred to an object in order to perform work on, or to heat, the object.
  3. 7. machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum
  4. 8. energy Biomass is an industry term for getting energy by burning wood, and other organic matter.
  5. 9. advantage a measure of the force amplification achieved by using a tool, mechanical device or machine system.
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  1. 1. In physics, a force is any interaction that, when unopposed, will change the motion of an object.
  2. 2. A gear or cogwheel is a rotating machine part having cut teeth, or cogs, which mesh with another toothed part to transmit torque.
  3. 3. energy A wind turbine is a device that converts the wind's kinetic energy into electrical energy work activity involving mental or physical effort done in order to achieve a purpose or result
  4. 4. energy Geothermal energy is heat energy generated and stored in the Earth. Thermal energy is the energy that determines the temperature of matter.