FORMULAS

• distance, time, and speed

  d = s x t

  t = d / s

  s = d / t
• density, volume, and mass

  d = m / v

  m = v x d

  v = m /d
• force, pressure, and area

  f = p x a

  p = f /a

  a = f / p
• weight, gravity, and mass

  w = m x g

  g = w / m

  m = w / g