So far the tennis authorities have tinkered only with the weight and pressure of the balls.
As well as feeling under pressure over their weight, young teenagers are pushed by websites and magazines to consider plastic surgery, Girlguiding UK reports.
Atmospheric pressure is caused by the weight of the air over our heads.
Sheer weight of numbers helps to explain why there is pressure to change the law.
As sea level rises, the weight on one end increases, causing the plank to bend so pressure goes up at the end but down in the middle where the plank bends upward (see sketch above).
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"Such increased usage has been compounded by an increase in the HGV weight limit to 44 tonnes and a move to super-single high-pressure tyres, which all adds to the damage caused to the bridge's road surfaces, " Mr Colford said.
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Since capacitive touchscreens can't detect pressure on their own, a second film is needed that can add weight and cost.
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Girls were made to worry about their appearance and their weight, boys were meant to act tough and both boys and girls were under pressure to take an interest in sex at too young an age.
Early ideas suggested blunting the nose of the plane to prevent the pressure waves joining up to form one intense shock wave, or lengthening the plane without increasing its weight to dampen the noise.
This plea has been brewing for some time and now he has finally been beaten, not by the opposition bowlers, a wilting body or the pressure of the media storm but by his eight-year-old daughter who obviously holds more weight than any of the standard or speculated reasons for him finishing.
Amazon.com shares are coming under pressure Thursday morning after Morgan Stanley analyst Scott Devitt cut his rating on the online retailing giant to Equal Weight from Overweight.
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SonicBoom uses a combination of high-tech and peer pressure: members can monitor vital signs with tiny devices attached to their shoes and join groups such as Weight Warriors.
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