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If the rope can be run through two or more pulleys, the force applied at one end of the rope to lift the object on the other end can be reduced.
What's interesting is that the mechanical advantage that each simple machine may offer for reducing the force needed to move an object comes at the expense of having to apply the force through a longer distance. So a short motion of a force produces a longer motion of the object.
A marble drop machine is toy that makes use of simple machines to move one or more marbles through it from top to bottom. The idea of this toy is to create a lot of motion of its parts and the marbles to watch. And that motion is produced with the marbles that literally fall through it. The force on the marble is its weight. Because it can roll and fall, it can be made to roll down a plane...
Long planes give a long roll for little loss in height. A marble dropping onto a lever arm can force another marble at the other end to move elsewhere. Ingenious use of many examples of simple machines along a marble's path can produce a lot of motion if they don't offer too much friction.
One can use his hand or a wheel and axle along with a pulley to return the marbles to the top. The work one supplies to bring each marble to the top either by hand or by turning a crank of a simple machine will be expended as it falls through the toy.
Machine Translation and Horizons of the Future Almost everyone is familiar with the nifty Google feature which allows for instantaneous translation of foreign words. This automated or 'machine' translation is a convenient way to read websites in different languages. No longer does the reader need to know someone who speaks the foreign language or to hire a translator. The translation is provided quickly and easily, via 'machine.' However, for many
The professional manager held ultimate responsibility for construction, while the designer's authority with respect to the client receded. on-site work done by subcontractors was managed by large general contractors who provided the supervising engineers, and did not necessarily have to adhere to the designers places (Cuff 33). This change was a direct consequence of the arrangement of work in the Industrial Revolution, where specialisation was given new dimensions and
Lesson Plan Amp; Reflection I didn't know what state you are in so was unable to do state/district standards! Lesson Plan Age/Grade Range; Developmental Level(s): 7-8/2nd Grade; Below grade level Anticipated Lesson Duration: 45 Minutes Lesson Foundations Pre-assessment (including cognitive and noncognitive measures): All students are reading below grade level (5-7 months) as measured by standardized assessments and teacher observation Curricular Focus, Theme, or Subject Area: Reading: Fluency, word recognition, and comprehension State/District Standards: Learning Objectives: Students will develop
Branding in Service Markets Amp Aim And Objectives Themes for AMP Characteristics Composing Branding Concept Branding Evolution S-D Logic and Service Markets Branding Challenges in Service Markets Considerations for Effective Service Branding Categories and Themes Branding Theory Evolution S-D Logic and Service Markets Branding Challenges in Service Markets Considerations for Effective Service Branding Branding Concept Characteristics Characteristics Composing Branding Concept Sampling of Studies Reviewed Evolution of Branding Theory Evolution of Marketing Service-Brand-Relationship-Value Triangle Brand Identity, Position & Image Just as marketing increasingly influences most aspects of the consumer's lives, brands
Marble Statue of a Kouros, Greek, Archaic Period, c. 590-580 BCE Ancient Greece was a place of incredible artistry in terms of architecture, playwriting, and sculpture. So much of what is known about the Greeks has been learned through their artwork. Many of the pieces of Ancient Greek art are available to be seen in history and art museums around the world. In the present moment, by looking at the artworks
Still many within the international museum community believe that such a gesture would lead to a disintegration of the purpose of a museum collection in the first place. It would unleash a flood of demands for other treasures to be returned. If anything such a gesture will change how museums share their information and remain accountable. This could change how historians to take in account such factors and eliminate such