1. A particle moves along a straight line such that its acceleration is a=(4t²-2) m/s², where the variable t is the time measured in seconds. The initial position of the particle is 2m to the left of the origin. After 2 seconds, it's position is 20m to the left of the origin. Determine its position at t=4s.
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.
Note: Draw FBD and MAD (MAss-Acceleration Diagram)
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