Weight
hideIn the physical sciences, the weight of an object is the magnitude, W, of the force that must be applied to an object in order to support it (i.e. hold it at rest) in a gravitational field. The weight of an object equals the magnitude of the gravitational force acting on the object, less the effect of its buoyancy in any fluid in which it might be immersed. Near the surface of the Earth, the acceleration due to gravity is approximately constant; this means that an object's weight near the surface of the Earth is roughly proportional to its mass.
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News tagged with weight
Major advance in organic solar cells
Oct 19, 2009 |
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Professor Guillermo Bazan and a team of postgraduate researchers at UC Santa Barbara's Center for Polymers and Organic Solids (CPOS) today announced a major advance in the synthesis of organic polymers for plastic solar cells. ...
Late-Night Snacks: Worse Than You Think
Sep 03, 2009 |
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(PhysOrg.com) -- Eat less, exercise more. Now there is new evidence to support adding another "must" to the weight-loss mantra: eat at the right time of day.
The Link Between Weight and Importance
Medicine & Health / Psychology & Psychiatry
Aug 27, 2009 |
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(PhysOrg.com) -- A new study has demonstrated what we must have known all along at some level: that there is a link between the physical act of carrying heavy objects and the abstract concept of importance.
Infant weight gain linked to childhood obesity
Mar 30, 2009 |
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(PhysOrg.com) -- As childhood obesity continues its thirty-year advance from occasional curiosity to cultural epidemic, health care providers are struggling to find out why--and the reasons are many. Increasingly ...
Heart-healthy, low-cal diets promote weight loss regardless of fat, protein and carb content
Feb 25, 2009 |
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Heart-healthy diets that reduce calorie intake—regardless of differing proportions of fat, protein, or carbohydrate—can help overweight and obese adults achieve and maintain weight loss, according to a study funded by the ...
Control Your Hunger? Study Shows Men Can, Women Can't
Jan 20, 2009 |
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(PhysOrg.com) -- A ground-breaking brain-imaging study at the U.S. Department of Energy’s Brookhaven National Laboratory shows that men, but not women, are able to control their brain’s response to their own ...
Mood improves on low-fat, but not low-carb, diet plan
Nov 09, 2009 |
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After one year, a low-calorie, low-fat diet appears more beneficial to dieters' mood than a low-carbohydrate plan with the same number of calories, according to a report in the November 9 issue of Archives of Internal Me ...
Lifestyle changes may stave off diabetes for a decade
Nov 02, 2009 |
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Sustaining modest weight loss for 10 years, or taking an anti-diabetic drug over that time, can prevent or lower the incidence of type 2 diabetes in people at high risk for developing the disease, according to the Diabetes ...
Weight matters: 'Normal' sized girls are judged to be more attractive by young men
Medicine & Health / Psychology & Psychiatry
Oct 27, 2009 |
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(PhysOrg.com) -- Researchers have found that despite the size zero trend, boys really do prefer 'normal' girls of an average weight and build.
Being overweight super-sizes both risk and consequences of sleep-disordered breathing
Oct 08, 2009 |
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Overweight individuals are not just at greater risk of having sleep-disordered-breathing (SDB), they are also likely to suffer greater consequences, according to new research.
Obesity in middle aged women cuts chance of a long, healthy life by 80 percent
Sep 30, 2009 |
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A new study by Harvard School of Public Health (HSPH) and Brigham and Women's Hospital (BWH) researchers has found that, among a large study population of women who lived until at least age 70, being overweight in mid-life ...
Personality traits influencing weight loss
Medicine & Health / Psychology & Psychiatry
Sep 25, 2009 |
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Being too optimistic could harm weight loss efforts. Research published in BioMed Central's open access journal, BioPsychoSocial Medicine, reveals the psychological characteristics that may contribute to weight loss.
Excess body weight causes over 124,000 new cancers a year in Europe
Sep 24, 2009 |
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At least 124,000 new cancers in 2008 in Europe may have been caused by excess body weight, according to estimates from a new modelling study. The proportion of cases of new cancers attributable to a body mass index of 25kg/m2 ...
Muscle: 'Hard to build, easy to lose' as you age
Sep 11, 2009 |
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(PhysOrg.com) -- Have you ever noticed that people have thinner arms and legs as they get older? As we age it becomes harder to keep our muscles healthy. They get smaller, which decreases strength and increases the likelihood ...
Laptops Linked to Male Infertility
Jun 12, 2009 |
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While fatherhood might be far from the minds of most young men, behavior patterns they establish early on may impact their ability to become a dad later in life. Excessive laptop use tops this list of liabilities, ...
