1. The cart in the figure (and in the video: https://youtu.be/gvPNrdfNo9g ) is attached to a light spring that can stretch and compress equally well. The cart and spring rest on a low-friction horizontal surface. The cart is shown at position III, at rest, not accelerating. The cart is pulled to position I (stretching the spring) and then released. It moves to position V, where it then reverses direction and returns again to position I. It repeats the motion. www

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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.