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FORCE, (((moves a stationary object))), ELASTIC - Coggle Diagram

- - - - Pressure increases when
        
        the weight
        
        the contact surface area
  - - - Condition 1:
      - Condition 2:
- - - - definition:
        
        Friction is the force that opposes the motion between two surfaces in contact
      - Uses of friction (pros)
        
        Helps in walking and standing stably
        
        Helps writing on paper
      - Friction as a nuisance (cons)
        
        makes movement difficult
        
        causes wear and tear
      - What reduces friction?
        
        Lubricant
        
        grease/oil
        
        smooth surfaces
    - - definition:
        
        force acting on a stretched or compressed elastic object to return it to its original shape
      - examples:
        
        rubber band, bow, bungee jump ropes
- - - - definition:
        
        A force that attracts two objects towards each other
      - differences between mass and weight
        
        mass is measured in kg
        
        weight is measured in N
        
        mass is the amount of matter in an object
        
        weight is the amount of gravitational force acting on an object
      - Effects
        
        allows us to stably walk on the ground without floating
        
        gives objects weight
        
        keeps artificial satellites in their orbits
        
        causes tides in the ocean
        
        responsible for the motion of planets in Solar System
    - - definition:
        
        Force exerted between a magnet and another magnetic material such as iron or steel