Consider the following velocity-time graph and select the statement that is true. Velocity vs. Time A. U A. The object first speeds-up, then moves at a constant speed, and finally slows downs. B. The object returns to its original position C. The acceleration on the object is always positive. D. The object first speeds-up, then slows down, and finally speeds up again. E. The object first moves to the right, then comes to rest, and finally moves to the left.
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.
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