Modelling Assumptions (Edexcel A-Level Mathematics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
When an object is modelled as a particle, which effects are ignored?
When an object is modelled as a particle, which effects are ignored?
Rotational effects and air resistance
What does modelling an object as a particle mean?
What does modelling an object as a particle mean?
Treating it as a point mass
What is the key property of a rigid body?
What is the key property of a rigid body?
It does not deform under forces
What does a smooth surface assumption imply?
What does a smooth surface assumption imply?
The surface provides no friction
What must be considered when modelling a rough surface?
What must be considered when modelling a rough surface?
The coefficient of friction
What does it mean when an object is described as 'light'?
What does it mean when an object is described as 'light'?
It has negligible mass
For a light string in a pulley system, what assumption is made about tension?
For a light string in a pulley system, what assumption is made about tension?
Tension is the same throughout
What is an implication of modelling a string as inextensible?
What is an implication of modelling a string as inextensible?
Same acceleration for connected objects
For a smooth pulley, what is true about the tension in the string?
For a smooth pulley, what is true about the tension in the string?
Tension is the same on both sides
Where is the centre of mass located for a uniform body?
Where is the centre of mass located for a uniform body?
At the geometric centre
What value is taken as in mechanics problems?
What value is taken as in mechanics problems?
When is air resistance typically ignored in mechanics problems?
When is air resistance typically ignored in mechanics problems?
Unless specifically stated