Hooke’s Law (AQA A-Level Further Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the natural length of an elastic string?
What is the natural length of an elastic string?
Length when no forces act on it
Which formula correctly expresses Hooke's law using modulus of elasticity ?
Which formula correctly expresses Hooke's law using modulus of elasticity ?
A string with natural length 3 m is stretched to 3.5 m. What is the extension ?
A string with natural length 3 m is stretched to 3.5 m. What is the extension ?
0.5 m
What are the units of the modulus of elasticity ?
What are the units of the modulus of elasticity ?
Newtons (N)
What is the formula for elastic potential energy stored in a stretched string?
What is the formula for elastic potential energy stored in a stretched string?
A string has natural length 4 m and N. What is its stiffness ?
A string has natural length 4 m and N. What is its stiffness ?
5 N m
What assumption is made about elastic strings and springs in mechanics problems?
What assumption is made about elastic strings and springs in mechanics problems?
They have negligible mass (light)
For two strings in equilibrium attached to an object, what must be true?
For two strings in equilibrium attached to an object, what must be true?
The tensions in both strings are equal
A string has m, N, extension 0.5 m. Calculate the EPE stored.
A string has m, N, extension 0.5 m. Calculate the EPE stored.
0.5 J
In energy conservation for elastic strings, gain in KE + gain in GPE equals what?
In energy conservation for elastic strings, gain in KE + gain in GPE equals what?
Loss in EPE