Upgraded modelling for the determination of centre of mass corrections of geodetic SLR satellites: impact on key parameters of the terrestrial reference frame
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Geodesy"
DOI: 10.1007/s00190-019-01315-0
Abstract: We present improved modelling to compute centre of mass (CoM) offsets for spherical geodetic satellites and derive new values for the spacecraft LAGEOS, LAGEOS-2, Etalon-1/2, Starlette, Stella, LARES, and Ajisai for all system configurations of… read more here.
Keywords: terrestrial reference; reference frame; centre mass; network ... See more keywords
The curvature peaks of the trajectory of the body centre of mass during walking: A new index of dynamic balance.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of biomechanics"
DOI: 10.1016/j.jbiomech.2021.110486
Abstract: During walking, falling is most likely to occur towards the side of the supporting lower limb during the single stance. Timely lateral redirection of the centre of mass (CoM) preceding the no-return position is necessary… read more here.
Keywords: index; centre mass; curvature peaks; com ... See more keywords
The centre of mass trajectory is a sensitive and responsive measure of compensations for pain and weakness among individuals with knee osteoarthritis performing a sit-to-stand test
Sign Up to like & getrecommendations! Published in 2017 at "Osteoarthritis and Cartilage"
DOI: 10.1016/j.joca.2017.02.201
Abstract: The Centre Of Mass Trajectory Is A Sensitive And Responsive Measure Of Compensations For Pain And Weakness Among Individuals With Knee Osteoarthritis Performing A Sit-To-Stand Test read more here.
Keywords: responsive measure; trajectory sensitive; centre mass; osteoarthritis ... See more keywords
The Bottle Flip Challenge Demystified: Where Is the Centre of Mass?.
Sign Up to like & getrecommendations! Published in 2017 at "Physics Education"
DOI: 10.1088/1361-6552/aa70d7
Abstract: Bodies can have very weird trajectories when tossed into the air. The amazing motion of a water bottle flip is qualitatively described as related to the position of the centre of mass (CM) with respect… read more here.
Keywords: bottle; frame reference; centre mass; bottle flip ... See more keywords
The behaviour of the centre of mass in a ballerina while performing a Grand Jeté
Sign Up to like & getrecommendations! Published in 2018 at "Physics Education"
DOI: 10.1088/1361-6552/aa9c6a
Abstract: In sports, it is very common to see athletes performing jumps, where they impose rotations to their own bodies' elements and intentionaly change their moment of inertia around the centre of mass (CM). When this… read more here.
Keywords: ballerina; mass ballerina; ballerina performing; centre mass ... See more keywords
Center of mass of 2D and 3D objects and the golden ratio
Sign Up to like & getrecommendations! Published in 2024 at "Physics Education"
DOI: 10.1088/1361-6552/ad1655
Abstract: This study delves into the problem of finding the centre of mass for excised polygons in two and three dimensions, revealing intriguing connections and occurrences. We begin with rectangle and rhombus with sides in the… read more here.
Keywords: mass; centre mass; golden ratio; physics ... See more keywords
Golden ratio and stability of 2D laminas: DIY for centre of mass
Sign Up to like & getrecommendations! Published in 2025 at "Physics Education"
DOI: 10.1088/1361-6552/ae1b5a
Abstract: This study presents do-it-yourself experiment to demonstrate a correlation between the centre of mass (COM) and the golden Ratio ( ϕ≈1.618) in various standard 2D laminas. A systematic process of subtracting part of the lamina… read more here.
Keywords: centre mass; golden ratio; stability;
Consequences of changing planned foot placement on balance control and forward progress
Sign Up to like & getrecommendations! Published in 2024 at "Journal of the Royal Society Interface"
DOI: 10.1098/rsif.2023.0577
Abstract: While walking humans generally plan foot placement two steps in advance. However, it is often necessary to rapidly alter foot placement position just before stepping due to the appearance of a new obstacle. While humans… read more here.
Keywords: control; placement; foot placement; forward progress ... See more keywords
Taking into Account the Centre-of-Mass Correlations in the Cross Sections for Elastic Scattering of Intermediate Energy Protons on the Exotic Nuclei 6He and 8He
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Atomic Nuclei"
DOI: 10.1134/s1063778817060023
Abstract: We calculate the differential cross sections for proton elastic scattering on the exotic halo nuclei 6He and 8He at energies around ~0.7 GeV at the momentum transfers squared up to 0.30 (GeV/c)2 and investigate the… read more here.
Keywords: mass correlations; elastic scattering; cross sections; centre mass ... See more keywords