General Physics I Topics Supplements

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The materials are grouped according to "Unit", roughly covered by each of the three hour exams in my courses.

Unit 1

  • One-dimensional kinematics. Covers basic algebraic technique for solving for one unknown in a set of equations involving six variables.
  • Vectors. Explains how to resolve two-dimensional vectors into components in order to calculate the resultant vector.
  • Two-dimensional kinematics. Summarizes the type of problems we will be solving in class and homework.
  • Newton's Laws. Explains the concepts of mass, weight, and mutual interactions of force.
  • Dynamics. How to figure out the net force, individual force, or acceleration in straight-line motion.

Unit 2

  • Circular motion. Some tricks for relating individual forces to centripetal force. The role of weight in orbital motion is also covered.
  • Work and energy. How to set up the equation of energy conservation for straight-line motion or free-flight motion.
  • Linear momentum and impulse. Explains the concept of momentum change during collisions. Includes a brief discussion of automotive restraints.

Unit 3

  • Rotational kinematics.
  • Torque. How to calculate it from the geometry of a particular case. Includes a discussion of lever arm, and some worked-out examples.
  • Force and torque equilibrium (statics). Explains how to solve for unknown forces by torque analysis.
  • Elasticity, stress and strain.
  • Fluid statics. Includes discussion of fluid pressure, buoyancy and density; with some worked-out example problems. The effects of pressure on the human body are also discussed.
  • Thermal properties of matter. A brief discussion of pressure, temperature, and root-mean-squared speeds of molecules in an ideal gas.

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last updated: May 28, 2005