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.
A stone is thrown from a bridge horizontally with a speed of 20m/s. The stone lands below 2.5 seconds later. How high is the bridge?
Given-
Ux = 20 m/s
Uy = 0 m.s
t = 2.5 sec
As, stone will fall down with the speed of the gravity,
Therefore,
Acceleration along y axis = 9.8 m/s2
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