Physics Space 1. The Earth has a gravitational field that exerts a force on objects both on it and around it Define weight as the force on an object due to a gravitational field Mass is a measure of the amount of matter in an object‚ it is measured in kilograms (kg). The weight of an object is a measure of the force with which it is attracted by a gravitational force‚ it is measured in Newtons (N). It is directly related to the strength of the gravitational field at a point where the object
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Compare and contrast gravitational force vectors as mass and distance are changed. (Explorations 1‚ 2‚ and 3) * Discover how changes in the distance between two objects affects the gravitational force between them. (Explorations 1‚ 2‚ and 3) * Describe how changes in the masses of two objects affects the gravitational force between them. (Explorations 1‚ 2‚ and 3) Description of Activity In this activity‚ you will explore how distance and mass affect the gravitational force between two objects
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other‚ given by where F : gravitational force between the two particles. m1‚ m2 : masses of the two particles. r : distance between the two particles. G : constant of universal gravitation. m1 m2 F F r m1 m2 F F r Figure 1 The two forces form an action-reaction pair and have the following characteristics‚ * are equal in magnitude‚ * are opposite in direction‚ * act on different bodies * are of the same type (gravitational force). G is a universal constant
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predictions about the future of technology in his 2005 book‚ The Singularity is Near. In the film‚ Ptolemy follows Kurzweil around the world as he discusses his thoughts on the Technological Singularity‚ a proposed advancement that will occur sometime in the 21st century when progress in genetics‚ nanotechnology‚ and robotics will result in the creation of a human-machine civilization. The Technological Singularity‚ or simply the singularity‚ is a theoretical moment in time when artificial intelligence
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The Singularity: Many of the most recognized writers on the singularity‚ such as Vernor Vinge and Ray Kurzweil‚ define the concept in terms of the technological creation of superintelligence‚ and argue that it is difficult or impossible for present-day humans to predict what a post-singularity would be like‚ due to the difficulty of imagining the intentions and capabilities of superintelligent entities .A good way to understand the singularity is to imagine explaining the internet to somebody living
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proportional to their masses and inversely proportional to the square of the distance between the objects’ centers. This relationship became Newton’s Law of Universal Gravitation. In this simulation‚ you will look at two massive objects and their gravitational force between them to observe G‚ the constant of universal gravity that Cavendish investigated. Important Formulas: Procedure: PhET Simulations Play with the Sims Physics Gravity Force Lab 1. Take some time and familiarize yourself
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The comparative analysis essay is based on Dave Eggers’s The Circle‚ James John Bell’s Exploring the Singularity and John Cheever’s The Enormous Radio. From the chosen texts‚ it is evident that the authors are not amused by the modern technological advancements and prefers a satirical opinion of the same. The advancement of modern technology has violated the right to privacy‚ secrecy and security. The texts target technology enthusiasts and the general public population as the audience. Dave Eggers’s
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force with which a body is attracted towards the centre of the Earth is called weight. O I. VERY SHORT ANSWER QuESTIONS YA Assignments for summAtive Assessment (1 Mark) 7. Why are sleepers used below the rails? [2010 (T-I)] 8. The gravitational force between two objects is F. How will the force change when the distance between them is reduced to 1/4 th? [2010 (T-I)] 9. What is meant by buoyant force? [2010 (T-I)] 10. A body of weight 20 N floats half submerged in a liquid. What is the
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Essentially‚ gravity is not only what allows us humans to live our trivial lives‚ but it also keeps the earth from exploding into flames‚ believe it or not. Earth‚ along with every other planet in our solar system in caught within the Sun’s MASSIVE gravitational pull. Can be of that fact‚ is how we have seasons. Earth‚ along with the other planets‚ is constantly rotating around the sun‚ all due to its pull. The moment you‚ or any other object‚ jumps or is tossed into the air‚ gravity brings you back
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Cavendish and the Value of G The law of universal gravitation states that the gravitational attraction amongst two objects is directly proportionate to their masses times each other and inversely proportional to the distance between the centers squared. This law looks like: In this very equation‚ G represents the universal gravitation constant. This constant was not set in stone until Lord Henry Cavendish came across and experimentally determined the value of G using a torsion balance. Cavendish’s
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