Memory Anchor:

• Super Challenge:

  Stretch:

  Challenge:

Key Questions:

1. What is a moment?
   • A moment is the turning effect of a Force?
2. What two factors is the size of a moment proportional to?
   • The size of a moment proprtional to two factors: -the size of the Force applied -the perpendicular distance from the pivot to the line of action of the Force
3. What unit do we use for moments?
   • The SI units of a moment are Newton Metres (Nm), although Ncm are commonly used.