Work Done by a Variable Force (Leaving Cert Applied Maths): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What is the formula for work done by a constant force?
What is the formula for work done by a constant force?
Why do variable force problems require calculus rather than basic algebra?
Why do variable force problems require calculus rather than basic algebra?
Force changes continuously
What is the formula for work done by a variable force?
What is the formula for work done by a variable force?
In , what does represent?
In , what does represent?
Force as function of distance
What law do elastic strings follow?
What law do elastic strings follow?
Hooke's Law
When using Method 2 for elastic strings, what does represent in ?
When using Method 2 for elastic strings, what does represent in ?
Extension only
What result do both methods give when applied correctly to elastic string problems?
What result do both methods give when applied correctly to elastic string problems?
Identical results
For N/m, cm, what work stretches from 50 cm to 1.5 m?
For N/m, cm, what work stretches from 50 cm to 1.5 m?
7J
What additional work stretches the string from 1.5 m to 2.5 m?
What additional work stretches the string from 1.5 m to 2.5 m?
21J
What equals the total work done in stretching from natural length?
What equals the total work done in stretching from natural length?
Potential energy gained
Does the choice of reference point affect the final answer?
Does the choice of reference point affect the final answer?
No