Introduction to Mechanical Engineering : the elements of mechanical engineering, mechanical design, technical problem-solving and communication skills, forces in structures and machines, materials and stresses, fluids engineering, thermal and energy systems, motion and power transmission, angular velocity, rotational work and power, spur gears, rack and pinion, bevel gears, helical gears, worm gears, speed, torque, power, simple geartrain, compound, design application rolling element bearing.