AP Physics C: Mechanics

Advanced Placement Physics C: Mechanics with calculus-based physics principles.

Advanced Topics

Oscillations and Gravitation

The Rhythms of Nature

Many systems in physics oscillate—think springs, pendulums, or planetary orbits!

Simple Harmonic Motion (SHM)

Objects like springs and pendulums move in repetitive cycles described by SHM. Calculus allows us to model their position with sine and cosine functions.

  • The restoring force is proportional to displacement: \( F = -kx \).
  • The solution: \( x(t) = A \cos(\omega t + \phi) \).

Universal Gravitation

Newton's Law of Gravitation: \[ F = G\frac{m_1 m_2}{r^2} \] describes the attractive force between masses.

Orbits and Energy

Calculus is essential for analyzing elliptical orbits and gravitational potential energy.

Applications

Clocks, musical instruments, and satellites all rely on oscillatory motion and gravitation!

Examples

  • A mass on a spring moves back and forth in simple harmonic motion.

  • Satellites stay in orbit due to the balance of gravitational force and their velocity.

In a Nutshell

Oscillations and gravitation explain everything from swinging pendulums to the orbits of planets.