Pendulum
Phase (waves)
Phasor
Physical cosmology
Physics
Pion
Planck units
Planets beyond Neptune
Polar moment of inertia
Portal:Física
Portal:Physics
Position (geometry)
Power (physics)
Poynting vector
Precesión
Precession
Principle of relativity
Projectile motion
Quantum field theory
Quantum gravity
Quantum mechanics
Quark
Received signal strength indication
Regla de la mano derecha
Regla de la mano izquierda
Resonance
Reynolds number
Right-hand rule
Rotation
Rotation around a fixed axis