Lesson Plan: Power | Nagwa Lesson Plan: Power | Nagwa

Lesson Plan: Power Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to find the power of a constant force using the relation 𝑃 = 𝐹 × 𝑣.


Students will be able to

  • understand that power is the rate at which a force does work,
  • calculate the power being developed by a constant force with a known magnitude, 𝐹, which is moving a body at a known velocity, 𝑣,
  • generalize this to find the average power over a period of time,
  • solve context problems involving power, force, acceleration, and velocity, including problems that include inclined planes and resistive forces.


Students should already be familiar with

  • resolving forces (including resistive forces),
  • work,
  • velocity,
  • inclined planes,
  • unit conversions such as
    • 1 kg-wt = 9.8 N,
    • 1=75×9.8metrichorsepowerwatts,
    • 1=1,000metrictonkg.


Students will not cover

  • variable forces defined by a function,
  • problems involving integration,
  • the vector form of 𝑃=𝐹×𝑣,
  • defining the average power using integrals,
  • differential notation.

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