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 car starts from rest and accelerates to a speed of 100 km/h in 15 seconds. The acceleration during this period is constant. For the next 30 minutes, the car moves with a constant speed of 100 km/h. At this time the driver of the car applies the brake and the car decelerates to a full stop in 10 seconds. The variation of the speed of the car with time is shown in Figure 8.10 . We are interested in determining the total distance traveled by the car and its average speed over this distance.
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