3A: Sketch position vs. time, velocity vs. time, and acceleration vs. time graphs for a cart starting from rest, increases speed in the positive direction then decreases speed while still moving in the positive direction until coming to a stop. 3B: Predict the direction of the acceleration if the direction of the velocity is known when a cart is increasing speed. Do the same when a cart is decreasing speed.
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.
3A: Sketch position vs. time, velocity vs. time, and acceleration vs. time graphs for a cart starting from rest, increases speed in the positive direction then decreases speed while still moving in the positive direction until coming to a stop.
3B: Predict the direction of the acceleration if the direction of the velocity is known when a cart is increasing speed. Do the same when a cart is decreasing speed.
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