More cards in this set

Card 6

Front

What important fact does the conservation of energy tell us?

Back

Preview of the front of card 6

Card 7

Front

What is 'useful energy'?

Back

Preview of the front of card 7

Card 8

Front

What is 'wasted energy' and what happens to it?

Back

Preview of the front of card 8

Card 9

Front

What is the equation for efficiency?

Back

Preview of the front of card 9

Card 10

Front

Why can't a machine be more than 100% efficient?

Back

Preview of the front of card 10