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Alluxa - Optical Coatings LB 8/23
Photonics Dictionary

linear motion

Linear motion is the movement of an object or particle along a straight path in a single direction. It is one of the simplest forms of motion, described by parameters such as displacement, velocity, and acceleration, all of which occur along a single axis.

Characteristics of linear motion include:

Displacement: The distance an object moves along a straight line from its initial position to its final position.

Velocity: The rate at which an object changes its position, typically measured in units of distance per time (e.g., meters per second).

Acceleration: The rate at which an object's velocity changes over time.

Uniform linear motion: Motion at a constant speed in a straight line, where acceleration is zero.

Non-uniform linear motion: Motion where the speed or direction (or both) change, resulting in acceleration or deceleration.

Applications of linear motion are found in various fields, including:

Engineering and mechanics: In machinery where components move in a straight line, such as pistons in an engine, linear actuators, and conveyor belts.

Physics: To describe the motion of objects under the influence of forces, such as a car moving on a straight road.

Robotics and automation: Where precise linear displacement is required, such as in CNC machines and robotic arms.

Linear motion is fundamental in the study of mechanics and is a basic concept in physics and engineering that helps describe and predict the movement of objects.
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