| Terms |
Definitions |
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pertinacious
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stubbornly unyielding
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persist
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continue to exist
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perceive
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to become conscious of
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flexion
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the act of bending.
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newton
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the SI unit of force
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speed equation
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distance divided by time
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Movement away from the mid line
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Abduction
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trochlea
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a pulley; pulley-shaped or articulates with a spool-shaped bone
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acceleration
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the rate at which velocity changes
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perturb
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to throw into great confusion or disorder
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Laterally rotating the radius until it is parallel with the ulna; moving the palm back to anatomical position
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Supination
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average speed
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final distance divided by final time
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velocity
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describes a moving object's speed and direction
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power
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the rate at which work is done
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net force
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the force that results form combining all the forces exerted on an object
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2nd Law
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Force = mass x acceleration (the larger the force the larger the acceleration)
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Balanced forces result in a net force of
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zero.
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inertia
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when an object resists a change in motion
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displacement
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the act of compelling people to leave or relocate
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Extension of IP joints
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Opening of fist to MP flexion
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the energy of stretched or compressed objects
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elastic potential energy
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Condyle
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A rounded knob on the end of a bone; used for articulation with another bone
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Newton's First Law
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Law of Inertia--an object at rest will stay at rest, an object in motion will stay in motion unless acted upon by an outside force
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the rule that energy cannot be created or destroye
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law of conservation of energy
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Equilibrium Rule
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EF=0
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Gravity
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force of attraction
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Newton
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The scientific unit of force.
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Which depends on gravity-weight or mass?
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Weight
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Interaction
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Mutual action between objects where each object exerts equal ad opposite force on the other.
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Speed
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Rate at which an object moves
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Vector
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In general, a vector quantity is characterized by having both a magnitude and a direction.
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Inversely
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When two values change in opposite directions, so that if one increases and the either decrease by the same amount, they are said to be inversely proportional to each other.
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Free Fall
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Motion under the influence of gravitational pull only.
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Scalar
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A scalar quantity has a magnitude, but no direction.
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Average acceleration
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The average acceleration during the time interval is the change in velocity divided by
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Support Vector
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The force that supports an object against gravity.
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Average velocity
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The average velocity during a time interval is the displacement divided by
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What two quantities are necessary to determine a vector quantity?
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Magnitude and direction
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Unbalanced Forces
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Forces that are not equal and change or motion happens.
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What is the name of the force when a piece of rope is pulled in opposite directions?
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Tension
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Balanced Forces
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Forces that are equal and no change or motion happens
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Newton's THIRD Law is the law of : and :
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Action force and reaction force
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