Unit 1 Topic 7: Energy Concepts Flashcards
1
Q
What is the conservation of energy?
A
Energy cannot be created or destroyed however it can be transferred through different forms
2
Q
What is the work-energy relationship?
A
Work done on a body is equal to the change in kinetic energy of that body
3
Q
What are dissipative forces?
A
They are forces which reduce the efficiency of a system.
Air resistance and friction reduce the amount of kinetic energy produced,
Drag means larger energy output is required
