Pearson Edexcel A Level Maths - Mechanic Modelling Assumptions
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Course
Maths
Institution
Maths
Pearson Edexcel A Level Maths - Mechanic Modelling Assumptions
Particle (assumptions)
- Mass is concentrated at a single point.
- Rotational forces and air resistance can be ignored.
Rod (assumptions)
- Mass is concentrated along a line
- No thickness
- Rigid
Lamina (assumptions)
-...
Pearson Edexcel A Level Maths - Mechanic
Modelling Assumptions
Particle (assumptions)
- Mass is concentrated at a single point.
- Rotational forces and air resistance can be ignored.
Rod (assumptions)
- Mass is concentrated along a line
- No thickness
- Rigid
Lamina (assumptions)
- Mass is distributed across a flat surface
Uniform body (assumptions)
- Mass is concentrated at a single point at the geometric centre of the body - centre of
mass
Light object (assumptions)
- Treat object as having zero mass
- Tension is the same at both ends of a light string
Inextensible string (assumptions)
- Acceleration is the same in objects connected by a taut, inextensible string
Smooth surface (assumptions)
- Assume that there is no friction between the surface and any object on it
Rough surface (assumptions)
- Objects in contact with the surface experience a frictional force if they are moving or
are acted on by a force
Wire (assumptions)
- Treated as one-dimensional
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