5th Levers & Pulleys Word Scramble
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Question | Answer |
A drawing that describes the relationship of all the parts of a system. | Diagram |
A _____ uses a system of symbols and conventions to communicate information about lever design. | Diagram |
The point at which a lever arm pivots. | Fulcrum |
The weight or resistance that is moved using a simple machine. | Load |
The force applied to move a load using a simple machine. | Effort |
Class 1 levers have the ________ in the middle and the load and the effort at the ends. | Fulcrum |
Class 2 levers have the ________ in the middle of the fulcrum and the effort at the ends. | Load |
Class 3 levers have the _______ in the middle and the fulcrum and load at the ends. | Effort |
Which lever class always gives advantage? | Class 2 |
Which lever class never gives you advantage? | Class 3 |
The F,L, and E stand for the part of hte lever system that is in the ______ of the lever. | Middle |
Any of the six basic devices that provide mechanical or other advantage, such as pulleys and levers | Simple Machine |
Two pulleys can provide greater ___________ than one when lifting loads. | Mechanical advantage |
_____ = Force x Distance | Work |
In a lever system and a pulley system, a ____ in effort is balanced by the distance over which the effort must act. | Reduction |
The benefits gained by using simple machines are always balanced by costs. When the benefits ________ the costs, the machine is a useful tool. | Outweigh |
a simple machine that people use to gain a mechanical advantage, such as making work easier | lever |
a stick or beam free to pivot at a point | lever arm |
effort is measured in _______ | Newtons |
in a lever system the _______ from the fulcrum the effort is applied, the ______ the advantage is to the lever user | Farther easier |
__________ shows relationship between two variables and can be used to make predictions | two-coordinate graphs |
_________ is a benefit obtain by using a lever (or other simple machine.) | advantage |
_____ is a wheel with a groove rim in which a rope can run to change the ________ of the pull (force) that lifts the load | pully direction |
_____ _____ has a wheel that is attached to something _____ ___ ____. | fixed pully above the load |
________ has a wheel that is attached to ______ | movable pully the load |
_______ ________reduces the effort needed to lift a load or overcome a resistance;it results from using a simple machine | Mechanical advantage |
_________ is a change in direction that results from passing a rope through a pulley | Directional advantage |
a single pulley can be set ups as a _____ pulley or a _______ pulley | Fixed movable |
Any of the 6 basic devices that provide a mechanical or other advantage, such as pulleys and levers | Simple Machine |
_____ pulleys can provide greater mechanical advantage than one when lifting loads | two |
the benefits gained by using simple machines are always balanced by _____ | costs |
when the benefits outweigh the costs, the machine is a _____ tool | useful |
in a lever system and a pulley system,a reduction in effort is balanced by the ________ over which the effort must act | distance |
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mtmscomplab
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