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.
What is the path followed by a projectile when it moves with constant speed?
When an object is thrown at some angle from the horizontal, the motion is called projectile motion. A projectile motion is a two dimensional motion, in which the object has a horizontal component of velocity and a vertical component of velocity. Generally the vertical component of the velocity changes with respect to time due to the presence of the acceleration due to gravity, but if the speed of the projectile is constant, then it means the projectile will never deviate from its original path. Hence, the path followed by the projectile will be a straight line.
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