PHY 1112 units100 LevelFirst Semester

General Physics I (Mechanics)

B.Sc. Cybersecurity, University of Uyo

Classical mechanics: vectors, kinematics, Newtonian dynamics, conservation principles, rotational motion, and gravitation. Builds the physical intuition that underpins electronics, networking signals, and the hardware concepts met in later computing courses.

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  • 2 recommended textbooks
  • an AI tutor that has read this course’s outline and notes
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Course outline

  1. 01Space, time, units and dimensions; vectors and scalars
  2. 02Differentiation of vectors: displacement, velocity, acceleration; kinematics
  3. 03Newton's laws of motion: inertial frames, impulse, momentum conservation
  4. 04Equations of motion and application of Newtonian mechanics
  5. 05Conservation principles: conservative forces, kinetic and potential energy
  6. 06System of particles, centre of mass, rotational motion and torque
  7. 07Angular momentum, polar coordinates, circular motion, moments of inertia
  8. 08Gravitation: Newton's Law of Gravitation, Kepler's Laws, escape velocity, satellite orbits

Recommended textbooks

  • University Physics with Modern Physics — Young & Freedman

    15th ed. — the most widely used physics text worldwide

  • Fundamentals of Physics — Halliday, Resnick & Walker

    11th ed. — clear explanations and many worked examples

How to pass PHY 111

  • Always draw a free-body diagram before attempting any mechanics problem
  • Learn units and dimensions first — dimensional analysis catches most errors
  • Connect physics concepts to real technology: waves → WiFi signals, thermodynamics → CPU cooling
  • Khan Academy Physics covers this entire course for free — use it alongside lectures

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