PLANT SCIENCE
Forces And Machines

(AOPLM)
Formats: Interactive Web, CD-ROM

O V E R V I E W
This interactive training unit is designed to introduce trainees to scientific principles associated with applied forces and the operation of basic machines. After completing this unit, trainees should be able to define work, power, and efficiency, and explain the mechanical advantage of the inclined plane and the lever. They should also be able to explain the hydraulic principle and the relationship between friction and the operation of machines.

O B J E C T I V E S

Work, Power, and Efficiency
  • Define work and explain its relationship to energy.
  • Define power.
  • Explain why efficiency is important to plant operation.
Basic Machines
  • Define mechanical advantage.
  • Explain the mechanical advantage of the inclined plane.
  • Explain the mechanical advantage of the lever.
  • Explain the hydraulic principle and give examples of where it applies.
  • Discuss some of the effects of friction.

S U B J E C T S

Work, Power, and Efficiency
  • Work
  • Power
  • Efficiency
Basic Machines
  • The Inclined Plane
  • The Lever
  • The Hydraulic Principle
  • Friction