Dynamic Force Measurement
Dynamic Force Measurement - Related Videos
07:17
Measurement of Dynamic Force Acted on Water Strider Leg Jumping Upward by the PVDF Film Sensor
0 Views •
Cited by 1 •
2018
The protocol here is dedicated to investigating the free and quick maneuvering of water strider on water surface. The protocol includes observing the microstructure of legs and measuring the adhesion force when departing from water surface at different speeds.
04:56
High-Speed Time-Lapse Atomic Force Microscopy to Capture Nucleosome Dynamics
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2025
In this video, we demonstrate high-speed time-lapse atomic force microscopy, AFM, imaging techniques to study the dynamics of nucleosome complexes. As the AFM tip scans across the surface of the nucleosome, it detects alterations in the nucleosome height and records the DNA unwrapping over time.
08:28
Measurement of Force-Sensitive Protein Dynamics in Living Cells Using a Combination of Fluorescent Techniques
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Cited by 3 •
2018
Here, we present a protocol for the simultaneous use of Förster resonance energy transfer-based tension sensors to measure protein load and fluorescence recovery after photobleaching to measure protein dynamics enabling the measurement of force-sensitive protein dynamics within living cells.
10:08
Multiplexed Single-molecule Force Proteolysis Measurements Using Magnetic Tweezers
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Cited by 2 •
2012
In this article we describe the use of magnetic tweezers to study the effect of force on enzymatic proteolysis at the single molecule level in a highly parallelizable manner.
07:32
Dynamic Electrochemical Measurement of Chloride Ions
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Cited by 5 •
2016
Dynamic measurement of chloride ions is presented. Transition time of an Ag/AgCl electrode, during a chronopotentiometric technique, can give the concentration of chloride ions in electrolyte. This method does not require a stable conventional reference electrode.
FAQs
The transducer determines how a changing force becomes usable engineering data. A strain-gauge load cell responds to mechanical deformation, whereas a piezoelectric sensor converts generated charge into an electrical signal. Selecting between them depends on the event being characterized, such as an impact, vibration, machining load, or structural response, because the measurement must represent the relevant time-dependent behavior.
Sampling the electrical signal over time preserves how force develops, changes, and persists during an event. This distinguishes a short impact from a longer load or reveals changing behavior associated with vibration, machining, vehicle motion, or structural response. Engineers can therefore examine the event as a sequence rather than relying on a single force value.
Dynamic force measurement adds information that static testing cannot capture: the timing and variation of force during motion or another time-dependent event. A static result may describe a force under non-changing conditions, while a force-time history shows whether the load rises, falls, fluctuates, or acts briefly. This distinction is essential when impacts, vibration, or moving systems influence performance.
Engineers begin with a calibrated transducer suited to the measurement, such as a strain-gauge load cell or piezoelectric sensor. The sensor converts the mechanical event into an electrical signal, which is sampled over time. The resulting force-time history is then analyzed to characterize the event, compare system behavior, or support design validation.
The method supports investigations of impacts, vibration, machining loads, vehicle responses, structural responses, and material behavior. Each application produces force changes that may be hidden by a static test. Examining these changes helps engineers evaluate how systems or materials respond during actual operating events rather than only under steady conditions.
Analyzed force-time data can support design validation by showing whether a component or system responds as expected during a changing event. The same information contributes to condition monitoring, where response behavior can be tracked, and to safer, more reliable systems. In materials research, the measurements also help characterize behavior under time-dependent loading.