EXAM Energy and movement Flashcards
What is the energy stored in a compressed spring called?
Potential energy.
When a twisted elastic is released, potential energy is converted into …
Kinetic or movement energy
Explain what an axle is.
A rod that connects two wheels.
What is a lever?
A board sitting on a fulcrum.
Why was the invention of the fixed axle important for vehicle safety?
A fixed axle allows the wheels to turn at different speeds which means that vehicles can turn safely without falling over.
How can energy be stored in an elastic band or a spring?
Stretch or compress it.
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