Physics Chapter 2 Flashcards
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Questions and Answers

What is a coordinate system?

  • An equation to determine distance
  • A method to calculate velocity
  • A system that defines the zero point of the variable you are studying (correct)
  • A representation of motion over time

    • What is instantaneous velocity?

    The speed and direction of an object at a particular instant.

    What does magnitude refer to in physics?

    Another term given for the size of a vector.

    What is position in physics?

    <p>The location of an object relative to an origin.</p> Signup and view all the answers

    How is time interval calculated?

    <p>Final time minus initial time.</p> Signup and view all the answers

    What is average velocity?

    <p>Ratio of the change in position to the time interval during which the change occurred.</p> Signup and view all the answers

    What is the origin in a coordinate system?

    <p>A zero point in a coordinate system.</p> Signup and view all the answers

    What is a position-time graph?

    <p>A graph with time data on the horizontal axis and position data on the vertical axis.</p> Signup and view all the answers

    What is a vector?

    <p>A quantity with both magnitude and direction.</p> Signup and view all the answers

    What is a motion diagram?

    <p>A series of images showing the position of a moving object over equal time intervals.</p> Signup and view all the answers

    What is a resultant vector?

    <p>A vector that represents the sum of 2 or more other vectors.</p> Signup and view all the answers

    What does distance represent?

    <p>The length of a vector that represents how far an object is from the origin.</p> Signup and view all the answers

    What is a scalar?

    <p>A quantity that only consists of a magnitude without a direction.</p> Signup and view all the answers

    What is instantaneous position?

    <p>The location of an object at a particular instant.</p> Signup and view all the answers

    How is displacement calculated?

    <p>Final position minus initial position.</p> Signup and view all the answers

    What is average speed?

    <p>The absolute value of the slope on a position-time graph.</p> Signup and view all the answers

    What is a particle model?

    <p>A simplified motion diagram that shows the object in motion as a series of points.</p> Signup and view all the answers

    Study Notes

    Coordinate Systems

    • Defines the zero point for the variables in motion studies.
    • Provides reference points for measuring and calculating positions and displacements.

    Instantaneous Velocity

    • Represents speed and direction at a specific moment.
    • Allows for precise descriptions of motion in dynamics.

    Magnitude

    • Refers to the size of a vector, crucial for understanding forces and motion.
    • Essential in differentiating between vectors and scalars.

    Position

    • Indicates an object's location relative to a defined origin.
    • Integral in analyzing motion, as it affects velocity and displacement.

    Time Interval

    • Calculated as the difference between final and initial time.
    • Critical for determining velocities and accelerations in motion.

    Average Velocity

    • Derived from the change in position over the corresponding time interval.
    • Provides a measure of the overall effect of motion over time.

    Origin

    • Acts as the reference point in a coordinate system, establishing a baseline for measurement.
    • Essential for defining positions and calculating displacements.

    Position-Time Graph

    • Plots time on the horizontal axis and position on the vertical axis.
    • Visual tool for analyzing motion, illustrating relationships between time and displacement.

    Vector

    • A quantity characterized by both magnitude and direction.
    • Fundamental in physics for representing forces, velocities, and accelerations.

    Motion Diagram

    • Consists of several images showing an object's position at equal time intervals.
    • Useful for visualizing and interpreting the object's motion over time.

    Resultant

    • A vector that combines two or more vectors into one.
    • Represents the overall effect of multiple forces or changes in position.

    Distance

    • Measures the length of a vector, encapsulating how far an object is from the origin.
    • A scalar quantity, lacking directional information.

    Scalar

    • Represents quantities described solely by magnitude.
    • Includes values like temperature, mass, and distance, without directional components.

    Instantaneous Position

    • The precise location of an object at a given moment in time.
    • Useful for understanding dynamic scenarios in motion analysis.

    Displacement

    • Calculated as the difference between final and initial position.
    • A vector quantity, indicative of the shortest path between two points.

    Average Speed

    • Defined as the absolute value of the slope in a position-time graph.
    • Offers insight into how quickly an object is moving on average during a time interval.

    Particle Model

    • Simplifies complex motion diagrams into points, representing an object in motion.
    • Facilitates easier analysis and understanding of dynamics in physics.

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    Description

    Explore key terms in Physics Chapter 2 with these flashcards. Each card helps reinforce your understanding of essential concepts like coordinate systems and instantaneous velocity. Perfect for studying and mastering the basics of motion and vectors.

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