Curriculum
Course: Applied Mathematics — Second Secondary
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Text lesson

Forces

Applied Mathematics — Second Secondary

Forces

Lesson summary

Lesson summary

  • A force is an action that changes, or tends to change, the state of rest or motion of a body.
  • A force is a vector quantity, specified by its magnitude, direction and point of application.
  • The unit of force is the newton N, where 1 N = 1 kg × 1 m/s².
  • Weight W = m × g, and it acts vertically downwards.
  • A force is drawn as an arrow, and a force diagram shows all the forces acting on a body.
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