BIOMEC- Chapter 10-15
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| kinematics | the form, pattern, or sequencing of movement with respect to time
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| linear displacement | change in location
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| linear velocity | the rate of change in location
displacement/time
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| acceleration | the rate of change in linear velocity
change in velocity/time
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| relative angle | angle at a joint formed between the longitudinal axes of adjacent body segments
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| absolute angle | angular orientation of a body segment with respect to a fixed line of reference
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| angular displacement | change in angular position
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| angular velocity | the rate of change in angular position
angular displacement/time
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| angular acceleration | the rate of change in angular velocity
change in angular velocity/time
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| law of inertia | a body will maintain a state of rest or constant velocity unless acted on by an external force that changes the state
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| law of acceleration | a force applied to a body causes acceleration of that body
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| law of reaction | for every action there is an equal and opposite reaction
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| friction | a force acting over the area of contact between two surfaces
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| momentum | quantity of motion possessed by a body
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| principle of conservation of momentum | in the absence of external forces, the total momentum of a given system remains constant
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| impulse | the product of a force and the time interval over which the force acts
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| mechanical work | the product of a force applied against a resistance and the displacement of the resistance in the direction of the force
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| mechanical power | the rate of work production
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| mechanical energy | the capacity to do work
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| kinetic energy | energy of motion
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| torque | the rotary effect of a force about an axis of rotation
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| moment of inertia | represents resistance to angular acceleration
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| fluid | a substance that flows or continuously deforms when subjected to a shear stress
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| laminar flow | smooth, parallel layers of fluid
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| turbulent flow | mixing of adjacent fluid layers
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| Archimedes' principle | buoyant force acting on a body is equal to the weight of the fluid displaced by the body
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| floating | occurs when the buoyant force is greater than or equal to the body weight
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| drag | a force caused by the dynamic action of a fluid that acts in the direction of the freestream fluid flow
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| form drag | a pressure differential between the lead and rear sides of a body moving through a fluid
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| wave drag | the generation of waves at the interface between two different fluids such as air and water
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| lift | a force acting on a body in a fluid in a direction perpendicular to the fluid flow
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| foil | a shape capable of generating lift in a fluid
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| Bernouli principle | an expression of the inverse relationship between relative velocity and relative pressure in fluid flow
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| Magnus effect | deviation in the trajectory of a spinning object toward the direction of spin
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
afetterolf
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