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.
![IA frictionless roller coaster starts from rest 25 m above the
ground. (a) What's its speed when it reaches the ground?
(b) Upon reaching the ground, the track goes into a vertical, cir-
cular loop. Find the maximum loop radius such that the car will
maintain contact with the track at the top.
No friction -> mechanical energy is conserved](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb88a950b-01b1-43eb-8463-59a8f9901bf1%2Ff8e66dac-684a-4757-9442-a548947795b0%2Fjrxmys3_processed.jpeg&w=3840&q=75)
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