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MECHANICS (Force and Newton's laws (Force and Free body diagrams (Free…

- - - - static (n1)
        
        horizontal plane
        
        inclined plane
      - kinetic (n2)
      - calculate frictional force
  - - - attractive
      - repulsive
    - - attractive
      - repulsive
  - - - forces in 2 directions (n4)
      - forces in 1 direction (n3)
  - - - definition
        
        Resultant force
        
        acting on a object
        
        object accelerates
        
        in the direction of Fnet
        
        Acceleration
        
        directly proportional
        
        to Fnet
        
        and inversley proportional
        
        to the mass
      - applications (n5)
      - two-body systems (n6)
    - - If objA and objB interact
      - definition
      - applications (n7)
    - - definition
      - calculation of gravitational force
      - weight
      - gravitational acceleration (g)
    - - principle of inertia
        
        NB: Inertia is not a force
      - definition
- - - - projectile projected vertically upwards which falls back to same level
      - projectile projected vertically upwards which falls below the original level
    - - explanation for loss in speed
        
        kinetic energy is transfered or lost
        
        sound, heat, friction
        
        velocity depends on kinetic energy
        
        loss in kinetic energy results in a decrease in velocity