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[Mindmap] Pure Physics Smart Guides

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  1. SECTION I: MEASUREMENT

    1. Physical Quantities, Units & Measurement
  2. SECTION II: NEWTONIAN MECHANICS
    2. Kinematics
  3. 3. Dynamics (Forces)
    7 Topics
  4. 4. Mass, Weight & Density
    4 Topics
  5. 5. Turning Effect of Forces
    4 Topics
  6. 6. Energy, Work & Power
    4 Topics
  7. 7. Pressure
    3 Topics
  8. SECTION III: THERMAL PHYSICS
    8. Temperature
    2 Topics
  9. 9. Kinetic Model of Matter
    2 Topics
  10. 10. Transfer of Thermal Energy
    5 Topics
  11. 11. Thermal Properties of Matter
    3 Topics
  12. SECTION IV: WAVES
    12. General Wave Properties
    3 Topics
  13. 13. Light
    7 Topics
  14. 14. Electromagnetic Spectrum
    2 Topics
  15. 15. Sound
    5 Topics
  16. SECTION V: ELECTRICITY & MAGNETISM
    16. Static Electricity
    5 Topics
  17. 17. Current of Electricity
    3 Topics
  18. 18. D.C. Circuits
    2 Topics
  19. 19. Practical Electricity
    4 Topics
  20. 20. Magnetism
    4 Topics
  21. 21. Electromagnetism
    3 Topics
  22. 22. Electromagnetic Induction
    4 Topics
Chapter 3, Topic 3
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Newton’s Second Law

FortisLearn September 9, 2024
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Second Law (Unbalanced Force)

Definition:
When a resultant force acts on an object of constant mass, the object will accelerate in the direction of the resultant force. The product of the mass and acceleration of the object gives the resultant force. 

  • Resultant Force is NOT Zero
    There is a net force acting on an object
Exam Shortcut: doubling the mass (m) halves the acceleration (a) !