An object with an initial velocity vo, as shown above, slides up and then down a long, frictionless, inclined plane. Which of the following is true of the object as it moves? O It moves at a constant velocity both up and down the plane. O It has a constant acceleration while moving up the plane and a smaller acceleration when moving down the plane. It has the same acceleration as it moves up and down the plane O It has continually varying acceleration as it moves up and down the plane O It has a constant acceleration while moving up the plane and a greater acceleration when moving down the plane.
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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