Work and Simple Machines

By the end of this course, you will be able to: Define the terms force, work, energy, power, efficiency, and machine Explain why it is important to maintain high efficiencies Describe the mechanical advantage provided by simple machines, including inclined planes, levers, gears, wheels, and pulleys Explain how hydraulic systems distribute pressure and force Describe the three types of friction – static, sliding, and rolling – and their impact on mechanical systems