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A position is a vector because it has both a magnitude and a direction: it is some distance from a zero point (the point we call the origin) in a particular direction. With one-dimensional motion, we can define a straight line along which the object moves.
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In this chapter, we study speed, velocity, and acceleration for motion in one-dimension. One dimensional motion is motion along a straight line, like the motion of a glider on an airtrack.
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A position is a vector because it has both a magnitude and a direction: it is some distance from a zero point (the point we call the origin) in a particular direction. With one-dimensional motion, we can define a straight line along which the object moves.
KINEMATICS. • Kinematics is the study of motion without considering its causes. • Dynamics is the study of motion considering causes, such as force and energy. • In this chapter, we examine the simplest type of kinematics: motion along a straight line, or one-dimensional kinematics.
Jul 26, 2024 · Define position, displacement, and distance traveled. Calculate the total displacement given the position as a function of time. Determine the total distance traveled.
Δx = xf − x0, where Δ x is displacement, x f is the final position, and x 0 is the initial position. We use the uppercase Greek letter delta (Δ) to mean “change in” whatever quantity follows it; thus, Δ x means change in position (final position less initial position).
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Position is defined using a coordinate system with a reference point. Change in position is a proof of motion; and motion results in change in position. Distance is the length of the actual path travelled. It is a scalar quantity. Displacement is the straight line between the initial and final positions. It is
