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| the science concerned with the effects of forces that produce arrest and modify motions of the body |
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| the laws of mechanics applied to biological systems |
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| flow where each particle of fluid passes a particular point that follows the same path as particle before it |
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| the tendency or measure of the ability of a force to rotate an object about some axis |
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| the perpendicular distance from the point of rotation to the line of action of a force |
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| state of systems not changing speed or dirction so accleration is zero |
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| when moved the object returns to its original position |
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| moving doesn't raise or lower center of mass |
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| when moved it relocates COM to lower point |
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| degree of difficulty in disturbing the equilibrium of a system |
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| 5 factors that effect stability |
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| line of gravity within support base, size of base, distance between line of gravity and base, height of COG, object mass |
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| describing the motion of bodies by how far fast and consistenly we move |
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| the rate of change in velocity with repect to time |
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| always has fulcrum in the center, used for force and displacement adv |
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| always has fulcrum on the end with resistence between only force adv |
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| force between resistnece and fulcrum only displacement adv |
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| changes the direction of the force or add ropes and reduce the tension |
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| the point in the body in which all of the mass is equally distrubited in all directions |
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| a rigid bar that rotates about a fixed point called an axis fulcrum or pivot |
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| the imaginary point in a body used to define the effects of gravity |
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| an object which is partially or complety submergesd in a fulid will experience a buoyant force equal and opposite to that of the weight of the volume of fluid displaced |
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| the time rate of doing work |
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| the product of the force exerted on the object and the distance that object traveled |
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| are key features observations of a movement that are necessary for optimal performance |
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| the quanity of matter ina system that gives you its weight in ta gravitational field |
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| attraction devreases with square of the distance between masses centers |
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| laws of mechanics applied to biological systems |
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| science concerned with describing position and motion of object with respect to time |
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| any force perpendicular to plane of action |
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| a object in a two dimensional dirction being acted on by earth's gravity |
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| the layer between the surface of object of interest in the layers of fluid near the surface |
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| fluid particles slowed due to shear stress |
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| pressure differntial between the lead and rear sides of a body moving through fluid |
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| resistance motion as an object moves through two fluid with different viscosities |
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| can change the shaped of a system and relocate COM |
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| can only change shape of system |
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| measure of difficulty encountered in briging object to rest by changing mass or velocity or both |
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| distnace from the axis of rotation to a point where the body's mass is concentrated without altering rotation charcterisitcs |
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| a force caused by the dynamic action of a fluid that acts in the dirction of the freestream fluid flow |
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| unitless number that is an index of a body's ability to generate fulid resistance its size depends on the shape and orientation of a body |
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| shape capable of generation lift in the presence of a fluid flow |
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| an expression of the inverse relationship between relative velocity and relative pressure |
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| velocity of a body with respect to the veolicty of something else |
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| point around which a body's volume is equally distributed and at which the bouyant force acts |
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| unitless number that is an index of a body's ability to generate lift |
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| angle between the longitudinal axis of a body and the dirction of the fluid flow |
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| the magnitude of the lift force divdied by the magnitude of the total drag roce acting on a body at a given time |
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| deviation in the trajectory of a spinning object toward the dirction of spin resluting from the magnus force |
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| deviation in the trajectory of a spinning object toward the dirction of spin resluting from the magnus force |
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| lift force created by spin |
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