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In physics, a force is any interaction that, when unopposed, will change the motion of an object. ... It is measured in the SI unit of newtons and represented by the symbol F. The original .... In c...

What is a force measured over an area - Answers.com


Pressure ... The force exerted on a surface divided by the total area over which the force is ... What is a measure of the amount of force applied to a given area?

Force, Mass, Acceleration | Zona Land Education


Force is measured in Newtons, N. Mass is measured in kilograms, kg. Acceleration is measured in ... button that will return you to this page. Problems over F=ma ...

Pressure - HyperPhysics


Pressure is defined as force per unit area. ... Pressure in a fluid can be seen to be a measure of energy per unit volume by means of the definition of work.

How Do You Estimate Impact Force? | WIRED


Jul 19, 2014 ... How do you calculate the force of a falling piano? ... Clearly they could just measure the mass and the starting height. ... Since work deals with changes in energy over distance it is best to use work-energy when .... But since only a small area of the piano is in contact, the pressure on the roof will be high.

The area under a speed/time graph is … Time is measured in … V ...


area remains the same, pressure… decreases increases increases decreases. Snow shoes and skis “work” because the force is spread over a. ___ area.

Stress, Strain and Young's Modulus - Engineering ToolBox


Stress is force per unit area - strain is the deformation of a solid due to stress. ... ε = unit less measure of engineering strain. E = Young's modulus (Modulus of ... Most metals deforms proportional to imposed load over a range of loads. Stress is ...

BBC Bitesize - KS3 Physics - Pressure - Revision 1


the force or weight exerted; the surface area over which the force or weight is spread. Pressure is calculated using this equation: pressure = force ÷ area ...

BBC Bitesize - GCSE Physics - Pressure - Revision 1


Manometers and barometers measure pressure. Revise ... The same force (your weight) would apply, spread over a larger area, so the pressure would reduce.

What is amplitude? - Indiana University Bloomington


Amplitude is measured in the amount of force applied over an area. The most common unit of measurement of force applied to an area for acoustic study is the  ...

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Pressure is Force per Unit Area by Ron Kurtus - Succeed in ...


Mar 18, 2006 ... Pressure is the force on an object that is spread over a surface area. ... Although this measurement is straightforward when a solid is pushing ...

Units of Measurement/Pressure - Wikibooks, open books for an ...


Pressure is the force per unit area applied in the direction perpendicular to a ... When a force is constant over an area, the pressure acting on that area is simply.



In a gas, it is the force per unit area exerted by the change of momentum of the ... with the solid over this area, then the force exerted by the gas molecules will vary ... which are almost always much larger than areas measured in terms of the ...