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Related Concept Videos

Two-Dimensional Force System01:20

Two-Dimensional Force System

A two-dimensional system in mechanical engineering involves the analysis of motion and forces in a plane. A two-dimensional force vector can be resolved into its components as:
Morphogenesis02:19

Morphogenesis

Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
Three-Dimensional Force System01:30

Three-Dimensional Force System

In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
Non-conservative Forces01:17

Non-conservative Forces

Non-conservative forces are dissipative forces such as friction or air resistance. These forces take energy away from a system as it progresses. Unlike conservative forces, non-conservative forces do not have potential energy associated with them. This is because the energy is lost to the system and cannot be turned into useful work later.
Also unlike their conservative counterparts, they are path-dependent; where the object starts and stops does matter. For example, a grinding wheel applies a...
Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...

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Related Experiment Video

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Probing the Roles of Physical Forces in Early Chick Embryonic Morphogenesis
06:33

Probing the Roles of Physical Forces in Early Chick Embryonic Morphogenesis

Published on: June 5, 2018

Bayesian inference of force dynamics during morphogenesis.

Shuji Ishihara1, Kaoru Sugimura

  • 1Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan. shuji@complex.c.u-tokyo.ac.jp

Journal of Theoretical Biology
|September 4, 2012
PubMed
Summary
This summary is machine-generated.

Scientists developed a new, non-invasive method using Bayesian statistics to measure cell pressure and tension during tissue development. This approach quanties mechanical forces, advancing our understanding of morphogenesis.

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Last Updated: May 19, 2026

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Published on: June 5, 2018

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Area of Science:

  • Developmental Biology
  • Biophysics
  • Cell Biology

Background:

  • Cellular mechanical forces are crucial for tissue deformation during morphogenesis.
  • Accurate, non-invasive methods for measuring these forces are lacking, hindering research.
  • Understanding force regulation is key to deciphering animal form development.

Purpose of the Study:

  • To develop a novel computational framework for estimating cellular forces.
  • To enable non-invasive measurement of cell pressure and contact tension.
  • To quantitatively analyze mechanical forces driving tissue morphogenesis.

Main Methods:

  • Utilized Bayesian statistics to create an inverse problem framework.
  • Estimated cell pressure and contact surface tension from observed cell geometry.
  • Validated the method with simulated data and experimental Drosophila tissues.

Main Results:

  • The developed method accurately estimates forces in simulated datasets.
  • Force estimates align with results from invasive and indirect methods in Drosophila.
  • Revealed developmental changes in tensile force patterns in Drosophila dorsal thorax.

Conclusions:

  • Introduced a novel, non-invasive, and batch-compatible method for force estimation.
  • The framework allows quantitative analysis of mechanical control in morphogenesis.
  • Enables unprecedented insights into the physical principles regulating animal development.