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Related Concept Videos

Free-body Diagram01:28

Free-body Diagram

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In mechanics, understanding the motion of objects is essential, and one tool that helps solve this problem is the free-body diagram. It is a simple but powerful graphical representation that succinctly represents all the forces acting on an object. A free-body diagram can represent a stationary or moving object, and is used in mechanics to explain the cause of an object's motion.
A free-body diagram transforms a complex problem into a simple representation, making it easy to understand the...
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Free Body Diagrams: Examples01:07

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Solving problems that involve forces is easy using free-body diagrams. A free-body diagram is a sketch showing all the external forces that are acting on an object or system. The object or system is represented by a single isolated point (or free body). Only those forces acting on it that originate outside of the object or system—the external forces—are shown. The forces are represented by vectors extending outward from the free body. Imagine a person sitting on a chair. Here, the...
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Drawing Free-body Diagrams: Rules01:16

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The first step in describing and analyzing most phenomena in physics involves the careful drawing of a free-body diagram. Free-body diagrams are useful in analyzing forces acting on an object or system, and are employed extensively in the study and application of Newton's laws of motion. The steps to draw a free-body diagram are listed below:
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Steps for Free-Body Diagram01:22

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When it comes to studying the behavior of objects in mechanics, one of the most important tools available is the free-body diagram. Consider a simple example of a system of two blocks coupled by a massless string over a frictionless pulley. Block 1 is sliding over a table pulled by block 2 as block 2 falls under gravity.
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Relative Motion Analysis - Acceleration01:10

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A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
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Relative Motion Analysis - Velocity01:24

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A stroke engine has a slider-crank mechanism that converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider.
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Related Experiment Video

Updated: Apr 27, 2026

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Abnormalities in passive movement: diagrammatic representation.

J Hickling, G D Maitland

    The Australian Journal of Physiotherapy
    |July 16, 2014
    PubMed
    Summary

    This study introduces dynamic mapping to visualize passive movement, simplifying complex motion data. This innovation aims to make understanding biological and physical processes as intuitive as reading a traditional map.

    Area of Science:

    • Biomechanics
    • Physiology
    • Data Visualization

    Background:

    • Understanding passive movement is crucial in various scientific fields.
    • Current methods for analyzing motion are often complex and lack intuitive visualization.
    • A need exists for tools that simplify the comprehension of dynamic processes.

    Purpose of the Study:

    • To develop and present a novel dynamic mapping approach for visualizing passive movement.
    • To demonstrate the potential of this method in making complex motion data accessible.

    Main Methods:

    • Conceptualization of dynamic mapping principles applied to motion.
    • Development of visualization techniques for representing movement over time and space.
    • Integration of data from biological and physical systems.

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    Main Results:

    • The proposed dynamic map effectively simplifies complex passive movement data.
    • Visualization allows for immediate comprehension of motion patterns.
    • The approach shows promise for diverse applications in science.

    Conclusions:

    • Dynamic mapping offers a powerful new paradigm for understanding passive movement.
    • This visualization technique can significantly enhance scientific communication and discovery.
    • Further development could revolutionize the study of dynamic systems.