Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
The acceleration of an object is defined as the rate at which its velocity is changing.
If the object’s velocity is constant, the object’s acceleration is zero, that is, the object is not accelerating.
But the object’s velocity is a vector quantity, it has magnitude as well as direction. If the object’s velocity’s magnitude is constant but its direction is changing then the velocity is said to be changing.
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