Pivot

• Pivot refers to a fixed point around which an object rotates or balances.

• Example - Lever

  
  

Moment

• Moment is a turning effect created by a force

• Example -: Opening a bottle cap

• Formula -: Force x Distance From The Pivot

Buoyancy

• Buoyancy is the upward force exerted by a fluid on an object immersed in it.

• Archimedes Principle -:

  "A body completely or partially submerged in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced by the body."

Centre Of Mass

• The center of mass (COM) is the point where the entire mass of an object or system is considered to be concentrated for motion

• It balances the center point of a object