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17 Cards in this Set
- Front
- Back
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A force acting on something and moving it a distance?
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Motion
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A foce applied to a simple machine.
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Effort force
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What is force
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a push or pull
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What is the ability for any object tha makes work easier by strenthening the force used or changing the direction of the force applied
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Machine
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A type of wheel and axle. (water, stream or wind turns the wheel) is what?
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turbine
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What is a resistance ?
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A force that works against the effort.
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What is a lever?
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a rigid bar or board that turns on a fixed point
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If it moves with the load it is called what?
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a movable pulley
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If it is attached to something so it doesn 't move, it is called what?
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Fixed pulley
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If it is an inclined plane that is wound around a cylinder or a cone, what is it?
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Screw
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If it has a wheel and a rod, running through the wheel, what is it called?
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A Wheel and Axle
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How would you describe a block and tackle?
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It combines multiple fixed and moveable pulleys.
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What is the formula for work?
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F x D = W
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What iclassification s a rod and reel?
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3rd class lever
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What classification is a pair of wire cutters?
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1st class lever
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What would classify a wheel barrow?
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2nd class lever
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How would a titter-totter be classified?
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1st class
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