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Physics (Turning Effects of forces (Moment is produced (FORCE is applied…

- - - - when the object is tilted slightly, the COG rises but falls back to its original position due to the moment produced by its weight about its contact point
    - - when the object is slightly tiled, COG will fall and cause the object to topple due to the moment produced by its weight about the contact point C.
    - - When the object is displaces, the COG will remain at the same level.
- - - - when the two metal spheres are touching each other and a negative charged rod is brought close to one of the spheres
        
        the electrons in both spheres are repelled to the far end of the sphere who is further away from the rod and the sphere closer to the rod will have excess positive charges and the sphere further away will have excess negative charges
        
        when both spheres are separated and the rod has been removed then both sphere will have in excess opposite charges.
      - bring a positively cahrged rod closer to the sphere, the positive charges will repel and move to the far end of the sphere
        
        earth one side of the sphere and transfer the electrons away from the sphere
        
        when u remove your hand and the rod, your sphere will only have negatively charged electrons which will redistribute and cause a the sphere to be negatively charged.
    - - Earthing
  - - - when 2 objects are rubbed together, electrons are transferred from the glass rod to the silk cloth
    - - Heating or in Humid Conditions
- - - - Series
        
        sum of all the cells
      - Parallel
        
        one of the cell
  - - - length
      - cross-sectional area or thickeness
      - type of material
      - Temperature
    - - current passing through a metallic conductor is directly proportional to the potential difference across it
- - - - kinetic energy
        
        1/2(M)(V)^2
      - potential energy
        
        Gravitational
        
        MxGxH
        
        Elastic
      - Electrical energy
      - Light energy
      - Thermal Energy
      - Nuclear Energy
      - Sound Energy
    - - energy cannot be created or destroyed but can be converted from one form to another. The total energy in an isolated system is constant