In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: A drawing that describes the relationship of all the of a system.Answer: Question: A _____ uses a system of symbols and conventions to communicate information about lever design.Answer: Question: The point at which a lever arm .Answer: Question: The weight or resistance that is using a simple machine.Answer: Question: The applied to move a load using a simple machine.Answer: Question: Class 1 levers have the ________ in the middle and the load and the effort at the ends.Answer: Question: Class 2 levers have the ________ in the middle of the fulcrum and the effort at the ends.Answer: Question: Class 3 levers have the _______ in the middle and the fulcrum and load at the ends.Answer: Question: Which lever always gives advantage?Answer: Class 2 Question: Which class never gives you advantage?Answer: Class 3 Question: The F,L, and E stand for the part of hte lever system that is in the ______ of the lever.Answer: Question: Any of the six basic devices that provide mechanical or advantage, such as pulleys and leversAnswer: Machine Question: Two pulleys can provide greater ___________ than one when lifting loads.Answer: Mechanical Question: _____ = Force x DistanceAnswer: Question: In a lever system and a pulley system, a ____ in effort is balanced by the distance over which the effort must act.Answer: Question: The benefits gained by using simple machines are always balanced by costs.
When the benefits ________ the costs, the machine is a useful tool.
Answer: Question: a machine that people use to gain a mechanical advantage, such as making work easierAnswer: Question: a stick or beam free to at a pointAnswer: arm Question: effort is measured in _______Answer: Question: in a lever system the _______ from the fulcrum the effort is applied, the ______ the advantage is to the lever userAnswer: Question: __________ shows relationship between two variables and can be used to make predictionsAnswer: two-coordinate Question: _________ is a benefit obtain by using a lever (or other simple machine.)Answer: Question: _____ is a wheel with a groove rim in which a rope can run to change the ________ of the pull (force) that lifts the loadAnswer: Question: _____ _____ has a wheel that is attached to something _____ ___ ____.Answer: fixed pully
above the Question: ________ has a wheel that is attached to ______Answer: movable pully
the Question: _______ ________reduces the effort needed to lift a load or overcome a resistance;it results from using a simple machineAnswer: advantage Question: _________ is a change in direction that results from passing a rope through a pulleyAnswer: advantage Question: a single pulley can be set ups as a _____ pulley or a _______ pulleyAnswer: Question: Any of the 6 basic devices that a mechanical or other advantage, such as pulleys and leversAnswer: Machine Question: _____ pulleys can provide greater mechanical advantage than one when lifting loadsAnswer: Question: the benefits gained by using simple machines are always balanced by _____Answer: Question: when the benefits outweigh the costs, the machine is a _____ toolAnswer: Question: in a lever system and a pulley system,a reduction in effort is balanced by the ________ over which the effort must actAnswer: |
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