Forces Flashcards
What Is a Scalar Quantity
Size Only E.g. Mass Time Volume Length Density Temperature Energy
What is A Vector Quantity
Size And Direction E.g. Displacement, Acceleration, Force, Moment, Field Strength.
Adding Vectors 10 West 10 West
20 West
Adding Vectors 10 West 10 East
Same Place
What Is Displacement
The Distance Travelled in a Stated Direction
What Movements Can a force Create
A Push Or Pull
What Can A Force Change
Shape Of Object
Speed Of Object
Direction Of Object
What Are The Contact Forces
Friction, Air Resistance, Tension, Normal Contact Force
Non-Contact Forces
Gravity, Electrostatic, Magnetic
What Is Weight
The Gravitational Force Acting on a Mass
Centre Of Mass
The Weight of An Object Is Considered to Act Through a Single Point Centre of mass
Resultant Force
It is a Single Force That Has the Same effect as All the Forces Acting on The Object.
Free Body Diagrams
Treat Object as a Point, So All Forces Go Through That Point.
Elastic Deformation
An Object Will Return to Its Original Length After It Has Been Stretched
Inelastic Deformation
An Object Will Not Return to Its Original Length After It Has Been Stretched
