conservation of energy Flashcards
1
Q
energy can do these
A
be transferred usefully, stored or dissipated
2
Q
energy cannot do these 2 things
A
be created or be destroyed
3
Q
what always happens to some energy
A
it is dissipated as not all can be usefully transferred
4
Q
lubrication meaning
A
a way of reducing unwanted energy transfer due to friction
5
Q
streamlining meaning
A
a way of reducing energy wasted due to air resistance or drag in water
6
Q
how do you reduce energy wasted
A
thermal insulation as heat is dissipated to surroundings
