exam 3 4600 Flashcards
(6 cards)
1
Q
mechanical work
A
work to overcome resistances (friction, air/hydro resistance)
2
Q
positive work
A
force acts in the same direction as displacement
3
Q
negative work
A
force acts in the opposite direction from displacement
4
Q
efficiency
A
a ratio of mechanical power to metabolic power
5
Q
torque
A
capability of a force to produce a rotation
6
Q
mechanical advantage
A
the relationship of the motive force to a given resistive force