Turning Effect of Forces

What is Torque or Turning Effect of Forces?

Using Physics to open doors/books/tight biscuit tins more easily (and how scissors, crowbars and nutcracker works)!

How to determine if an object will be balanced or unbalanced?

How to find perpendicular distance to the pivot in 3 steps?

What is Centre of Gravity?

How does Centre of Gravity affect Stability of objects?

Why does tightrope walker need a pole to walk on tightrope?