Physics Unit 1 Definitions

Descripción

Definitions for AS Physics OCR Unit 1
Alex Maraio
Fichas por Alex Maraio, actualizado hace más de 1 año
Alex Maraio
Creado por Alex Maraio hace más de 9 años
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Pregunta Respuesta
Define Scalar Quantitiy It is one that has A magnitude but not a direction
Define Vector Quantitiy It is one that has a Magnitude and Direction
Define Speed It is Distance per unit time
Define Displacement It is distance moved in a stated direction
Define Velocity It is the displacement per unit time, or change in displacement/time
Define Acceleration Is the rate of change of Velocity
Define The Newton It is the force required to accelerate a 1 Kg object at 1 \(MS^-2\)
Define The Moment of a Force It is the force multiplied by the perpendicular distance from a stated point (or pivot)
Define Couple Is a pair of equal and parallel but opposite forces, which tend to produce rotation only
Define Density It is Mass per unit Volume
Define Pressure It is force per unit area
Define The Joule It is the work done when a force of 1 Newton moves it's point of application 1 Metre in the direction of the force
Define The Conservation of Energy It is in any closed system, energy may be converted from one form to another but cannot be created or destroyed
Define Energy Is is the stored ability to do work
Define Gravitational Potential Energy It is the energy stored in an object due to it's position in a gravitational field
Define Kinetic Energy It is the work an object can do because of it's speed
Define Power Power is the rate of doing work
Define the Watt The Watt is equal to one Joule per Second
Define Stress Stress is force per unit cross-sectional area
Define Strain Is Extension per unit length
What does a Stress/Strain graph look like for a: Ductile Material
What does a Stress/Strain graph look like for a: Brittle Material
What does a Stress/Strain graph look like for a: Polymeric Material
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