31. Which of the following statements explains why a race car going around a curve is accelerating, even if the speed is constant? * The car is accelerating because the O magnitude as well as the direction of velocity is changing. The car is accelerating because the magnitude of velocity is changing. The car is accelerating because the direction of velocity is changing. The car is accelerating because neither the magnitude nor the direction of velocity is changing.
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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