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15 Cards in this Set
- Front
- Back
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Inclined Plane
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Flat tilted surface
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Wedge
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Modified inclined plane that's can be moved back and forth
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Screw
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An inclined plane that has been cut into a central core
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Levers
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Rigid bar that pivots at a point- designed so that the force applied to one part of the lever can be changed or redirected
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Pulley
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Wheel with a grooved rim, in which a pulled rope or chain can run to change the direction of the pull and thereby lift the load
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Wheel and Axle
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Consists of large disk (wheel) attached to a small diameter shaft (axle)
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Gravitational force
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Pull of the earth
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Mechanical force
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Hockey slapshot
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Ideal mechanical advantage
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Theory- if all input force was converted to output force
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Actual mechanical advantage
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In the real world- components like friction, slippage, and distortion
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2 components of forces
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Magnitude and direction
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Work formula
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W=FxD
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Lever/length formula
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MA= effort arm length
load arm length |
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Distance/ Pulley formula
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MA= input distance
output distance |
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Actual pulley system
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MA= measured output force
measured input force |
