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Questions and Answers
What is the relationship between work done and change in potential energy?
What is the relationship between work done and change in potential energy?
Work done = -∆V
State the condition for total mechanical energy to be conserved in a system.
State the condition for total mechanical energy to be conserved in a system.
Kf + Vf = Ki + Vi
What does it mean when the total mechanical energy of a system is conserved?
What does it mean when the total mechanical energy of a system is conserved?
It neither increases nor decreases in any process.
Define the concept of potential energy of a system.
Define the concept of potential energy of a system.
What does the negative sign in the spring constant equation represent?
What does the negative sign in the spring constant equation represent?
When is the principle of conservation of mechanical energy applicable?
When is the principle of conservation of mechanical energy applicable?
What does Hooke's law state regarding the restoring force of a spring?
What does Hooke's law state regarding the restoring force of a spring?
What is the total energy in a system that involves conservative forces?
What is the total energy in a system that involves conservative forces?
What is the unit of the spring constant?
What is the unit of the spring constant?
Explain the concept of Elastic Potential Energy.
Explain the concept of Elastic Potential Energy.