This link should help you out https://quizlet.com/40330134/biomechanics-questions-flash-cards/
Answer:
5 I think will be none of the above and 6 could be all of the above
Matter. I don't really know how to explain it. Sorry. But anyways, Hope this helps!
Answer:
NO
Explanation:
No, a machine cannot be 100% efficient. This is due to the movement of the moving parts siding against each other and causing friction. This friction is the one that creates heat and causes wear and tear between moving ports f the machine hence making the machine to decrease in efficiency with time
