G484 Module 1 - Newton's Laws and Momentum

Mind Map of content checklist of Module 1 for G484 exam. (Content checklist taken from ExamCafe CD)

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  • Module 1 - Newton's laws and momentum
    • Newtons Laws of Momentum
      • Newton's First Law
        • A force is necessary to change the state of rest or uniform motion in a straight line of a body.
      • Newton's Second Law
        • The rate of change of the momentum of an object is directly proportional to the net force acting upon it.
        • F=ma is a special case of Newton's Second Law
          • Occurs when mass is constant
      • Newton's Third Law
        • When body A exerts a force on body B, then body B exerts on body A that is equal, opposite in direction and of the same type.
    • Linear Momentum
      • The product of mass and velocity and is defined as a vector.
        • p=mv
    • Force is equal to the change in momentum over the change in time.
      • F=dp/dt
        • F=ma is a special case of Newton's Second Law
          • Occurs when mass is constant
    • The area under a force/time graph is equal to the impulse.
      • The change of momentum in a body.
        • I=m(v-u)
    • Impulse
      • The change of momentum in a body.
        • I=m(v-u)
    • Collisions
      • Perfectly Elastic Collision
        • A collision which no momentum or kinetic energy is lost.
      • Inelastic Collision
        • A collision where momentum is conserved but kinetic energy is not.
      • Whilst the momentum of a system is always conserved in the interaction between bodies,some change in kinetic energy usually occurs.

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