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  1. Rectilinear Motion: Sign Convention

    When a body is moving in a straight trajectory, we can simplify the vector magnitudes associated with the motion and change them into simple numbers, scalars, with a sign to indicate the direction the magnitude would have. In this section, we are going to ...

  2. Equations of Constant Velocity Motion

    The constant velocity motion, also known as uniform rectilinear motion (u.r.m.), is the one with constant velocity, i.e., the trajectory is a straight line and the speed is constant. In this section we are going to explain: The concept of constant velocit ...

  3. Constant Velocity Motion Graphs

    A body moves with uniform rectilinear motion (u.r.m.) when it has constant velocity, i.e., when its trajectory is a straight line and its speed is constant. In this section, we are going to study the constant velocity motion graphs, also know as u.r.m. gr ...

  4. Equations of Constant Acceleration Motion

    The uniformly accelerated rectilinear motion (u.a.r.m.), also known as constant acceleration motion, is a rectilinear motion that has a constant acceleration, which is different from zero. In this section we are going to study: The concept and properties ...

  5. Constant Acceleration Motion Graphs

    The uniformly accelerated rectilinear motion (u.a.r.m.), also known as constant acceleration motion, is a rectilinear motion that has a constant acceleration, which is different from zero. In this section we are going to study: Graph position-time Graph v ...

  6. Free Fall

    Among all constant acceleration motions that occur in the nature, there are two of particular interest: free fall  and vertical launch. In this section, we will study free-falling objects. Both, free fall and vertical launch, are governed by the equations ...

  7. Vertical Launch

    Among all the constant acceleration motions, or uniformly accelerated rectilinear movements (u.a.r.m.), there are two of particular interest: free fall and vertical launch. In this section, we will study vertical launch. Both are governed by the equations ...

  8. Introduction to Motion in Several Dimensions

    In the subject " Motion in Physics " we studied what we mean in Physics by motion. We have defined the kinematic magnitudes (position, velocity and acceleration) that allow us to analyze and predict the behavior of a body in motion, whether it i ...

  9. Horizontal Launch

    Horizontal launch is an example of composition of motion in two dimensions: an u.r.m. on the horizontal axis and a u.a.r.m. in the vertical one. In this section, we will see: The concept and the representation of the horizontal launch Its formulas The equ ...

  10. Projectile Motion

    A projectile is any object that once launched or dropped continues in motion by its own inertia and is influenced only by the downward force of gravity. Projectile motion, also known as parabolic motion, is an example of composition of motion in two dimen ...

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