Physics

Physics tutoring and homework help. Learn concepts like motion, forces, waves, heat and thermodynamics from a highly qualified Physics tutor and get an edge in the subject.

Let's start with problems involving constant speed and average speed

Motion & Forces

  • Newton's First Law of Motion
  • Newton's Second Law of Motion
  • Newton's Third Law of Motion
  • Universal Law of Gravitation
  • Effect of gravity on an object at the surface of the Earth
  • Applying a force to an object perpendicular to the direction of its motion
  • Circular motion
  • Two-dimensional trajectory problems
  • Two-dimensional vectors into their components and calculate the magnitude and direction of a vector from its components
  • Two-dimensional problems involving balanced forces
  • Problems in circular motion, using the formula for centripetal acceleration in the following form: a=v2/r
  • Problems involving the forces between two electric charges at a distance (Coulomb's Law)
  • Problems involving the forces between two masses at a distance (Universal gravitation)

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Conservation of Energy and Momentum

  • Calculating Kinetic energy using the formula E=(1/2)mv2
  • Calculating changes in gravitational potential energy near the Earth
  • Problems involving conservation of energy in simple systems
  • Calculating momentum as the product mv
  • Momentum as a separately conserved quantity, different from energy
  • Change in the momentum of a body
  • Problems involving elastic and inelastic collisions in one dimension
  • Problems involving conservation of energy in simple systems
  • Heat & Thermodynamics

  • Heat flow and Work - Forms of energy transfer
  • First Law of Thermodynamics


  • Law of conservation of energy
  • Thermal energy
  • Distribution of energy levels in a system
  • Entropy of a system
  • Second Law of Thermodynamics
  • Problems involving heat flow, work, and efficiency in a heat engine
  • Waves

  • Waves carry energy from one place to another
  • Transverse and longitudinal waves, Seismic waves
  • Problems involving wavelength, frequency and wave speed
  • Sound waves in a medium
  • Radio waves, light and X-rays, electromagnetic waves
  • Characteristic properties of waves: interference (beats), diffraction, refraction, Doppler effect, and polarization


  • Electric & Magnetic Phenomena

  • Voltage or current in simple direct current electric circuits
  • Problems involving Ohm's law
  • Formula for power (rate of energy dissipation) in any resistive circuit element
  • Properties of transistors and their role in electric circuits
  • Electric fields
  • Magnetic fields
  • Direction of a magnetic field produced by a current flowing in a straight wire or in a coil
  • Magnetic fields producing electric fields, thereby inducing currents in nearby conductors
  • Plasmas - the fourth state of matter
  • Vector force fields
  • Force on a charged particle in an electric field (qE)
  • Calculate the electric field resulting from a point charge
  • Static electric fields
  • Force on a moving particle (with charge q) in a magnetic field [qvB sin(a)]
  • Problems involving conservation of energy.
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