A point particle, ideal particle or point-like particle (often spelled pointlike particle) is an idealization of particles heavily used in physics. Its...

In the physical sciences, a particle (or corpuscule in older texts) is a small localized object which can be described by several physical or chemical...

the body's centroid; and orbital angular acceleration, involving a point particle and an external axis. Angular acceleration has physical dimensions of...

radians, the arc-length from the positive x-axis around the circle to the particle is ℓ = r ϕ {\displaystyle \ell =r\phi } , and the linear velocity is v...

test particle is its electric charge and its mass. In this situation it is often referred to as a test charge. The electric field created by a point charge...

In particle physics, an elementary particle or fundamental particle is a subatomic particle that is not composed of other particles. The Standard Model...

Wave–particle duality is the concept in quantum mechanics that quantum entities exhibit particle or wave properties according to the experimental circumstances...

behaves as a whole unit Point particle, or point mass, an idealization of an object with finite mass but of zero size A particle of a medium in continuum...

often models real-world objects as point particles, that is, objects with negligible size. The motion of a point particle is determined by a small number...

L is the angular momentum vector and t is time. For the motion of a point particle, L = I ω , {\displaystyle \mathbf {L} =I{\boldsymbol {\omega }},} where...