Aquatics Flashcards
water produces blank times more resistance than air
12
a body at rest is thrusted upward by a buoyancy force equal to the volume of water displaced by body weight
archimedes principle
women have a higher percentage of weight bearing at the blank and blank of the body than men
xiphisternal, asis
cog in the water is blank
at chest level
three factors effecting buoyancy values
density of liquid, volume of fluid displaced, local acceleration due to gravity
objects will rotate in water until the force of gravity and buoyancy reach blank
equilibrium
variables to manipulate to alter resistance or assistance
water will resist or assist motion, depth of water, lever arm length, weighted or assisted devices in water
three main resistive forces of water
cohesive, bow, drag
force generated at front of object and force decreased at back of object
bow force
this force is increased with speed
drag force
if object is blank, resistance is proportional to the velocity of the object
streamlined
if object is not streamlined, drag is a function of velocity blank
squared
fluid pressure is exerted equally on all surfaces of an immersed object at a given depth
pascal’s law
doing an exercise in deep water is blank than shallow water
harder
amount of energy required to raise the temp of 1g of water by 1 degree celsius
specific heat
