• Types of forces - normal, gravity*, friction, applied, drag (air resistance), tension, spring
  • Balanced and unbalanced forces
  • Calculating net force

Forces Page - click here for lesson resources, videos, and vocabulary links for this topic

Newton's First Law

  • Objects at rest will remain at rest, objects in motion will stay in motion, unless acted upon by an unbalanced force

Newton's Laws of Motion Page

Newton's Second Law

  • Force is equal to mass times acceleration

Newton's Laws of Motion Page

Newton's Third Law

  • When one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object.

Newton's Laws of Motion Page


  • Understanding gravity
  • Gravity of celestial objects
  • Gravity and acceleration

Gravity Page