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Gravity, inertia - Coggle Diagram

- - - - Terminal Velocity
        
        Terminal velocity is when an object reaches their highest velocity possible while in free fall.
        
        Free Fall
        
        In Free Fall on Earth the force of gravity pulls objects down at 9.8 m/s, which is the speed.
        
        Speed
        
        Speed is a large factor with deciding the distance, but the linear change in position is always the same, this is displacement.
        
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- - - - Friction is the main reason why objects do not move forever, this tendency for objects to continue motion is inertia.
        
        Inertia is directly connect to the law that says "An object at rest or in motion will remain at rest or in motion until acted upon by an external force." This is Newtons 1st Law.
        
        Newtons First Law
        
        Newtons First Law is one of three laws, the second is called Newtons Second Law.
        
        Newtons Second Law states that an objects force is proportional to the acceleration multiplied by the mass.
        
        mass
        
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- - - - Kinetic Energy
        
        With KE and PE (thermal when friction is involved) they will always sum to the same number throughout the system as the total energy of the system will remain the same as stated by the conservation of mechanical energy theorem.
        
        conservation of mechanical energy theroem
        
        The conservation of mechanical energy theorem deals with the total energy of a system where this total energy including the kinetic and potential energy is called Mechanical Energy
        
        Mechanical Energy
- - - - External Force
        
        An External Force are forces that affect the system from the outside this is like a car hitting another when they were not originally coming together, this is also an example of an Inelastic collision.
        
        Inelastic Collision
        
        Inelastic Collisions do not rebound elastically and often deform the objects, when an object rebounds and keeps its shape this is an Elastic collision.
        
        Elastic Collision
        
        In Elastic Collisions the Momentum is conserved.
        
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