Elasticity and Hooke's Law (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What property allows objects to return to their original shape after being deformed?
What property allows objects to return to their original shape after being deformed?
Elasticity
What happens when a spring is stretched beyond its elastic limit?
What happens when a spring is stretched beyond its elastic limit?
It becomes permanently deformed
In Hooke's Law , what does represent?
In Hooke's Law , what does represent?
Spring constant
A stiff spring has which type of spring constant?
A stiff spring has which type of spring constant?
Large
A spring with N m⁻¹ stretched 0.1 m has what restoring force?
A spring with N m⁻¹ stretched 0.1 m has what restoring force?
20 N
What is the formula for elastic potential energy stored in a spring?
What is the formula for elastic potential energy stored in a spring?
If you double the stretch in a spring, the stored energy increases by what factor?
If you double the stretch in a spring, the stored energy increases by what factor?
Four times
At equilibrium position in an oscillating spring-mass system, which energy is maximum?
At equilibrium position in an oscillating spring-mass system, which energy is maximum?
Kinetic energy
At the turning points of oscillation, what is the kinetic energy?
At the turning points of oscillation, what is the kinetic energy?
Zero
In an oscillating spring-mass system, what happens to total mechanical energy?
In an oscillating spring-mass system, what happens to total mechanical energy?
Remains constant
Why does the restoring force have a negative sign in ?
Why does the restoring force have a negative sign in ?
Acts opposite to displacement
The spring constant can be calculated as what from a force-extension graph?
The spring constant can be calculated as what from a force-extension graph?
Gradient