involving the issues of kinematics‚ dynamics‚ and control. In view of the physical constraints imposed by mechanical joints‚ both the robot-reachable workspace and the maximum inscribed cylinder-usable workspace are determined. Moreover‚ the singularity analysis is carried out via the screw theory‚ and the robot architecture is optimized to obtain a large well-conditioning usable workspace. Based on the principle of virtual work with a simplifying hypothesis adopted‚ the dynamic model is established
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Once an object is sucked into a black hole‚ it begins to be bombarded with radiation‚ and crushed at atomic level. The point however when an object is completely gone is not the event horizon‚ but rather is the singularity. The event horizon is one of the layers that surrounds the singularity. Below is a diagram of the different parts of a black hole. There are two main types of black holes- stellar and super massive. Stellar sized black holes are the remnants of massive dead stars that have
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Does God exist? Some say that the Earth and the life on it was just a product of random chance‚ and not created by any intelligent deity. Others say that it couldn’t have occurred simply by random chance‚ and it must have been created by an intelligent Creator. I agree with the latter statement‚ and am writing this to articulate some of the reasons behind why I believe in God. Atheism is sometimes portrayed as being more logical than believing God created the universe‚ but I think that belief in
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13; Astrophysics Assessment Statements |E.1.1 |Outline the general structure of the solar system | | |E.1.2 |Distinguish between a stellar cluster and a constellation | | |E.1.3 |Define a light year | | |E.1
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Could a Black Hole Destroy Earth? Black holes do not wander around the universe‚ randomly swallowing worlds. They follow the laws of gravity just like other objects in space. The orbit of a black hole would have to be very close to the solar system to affect Earth‚ which is not likely. If a black hole with the same mass as the sun were to replace the sun‚ Earth would not fall in. The black hole with the same mass as the sun would keep the same gravity as the sun. The planets would still orbit
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HSC Physics Notes - Space 9.2 - 1. The Earth has a gravitational field that exerts a force both on it and around it 1. define weight as the force on an object to a gravitational field Mass is the measure of how heavy an object it. Every object has a mass which is static and does not change with any force exerted on it or from it. However‚ weight is the force which is exerted upon an object when it comes into contact with or nearby a gravitational field of some strength. Weight is a force ஃ a vector
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omega‚ the beginning and the end‚ he just is. He cannot be created or destroyed‚ he is everything and he transfers some of everything for his good and his purpose. The big bang theory says that from a point of singularity there was a bang and from every direction of that point of singularity went matter to invade the vast vacuum of space. When that matter collided it formed particles which later turned in to elements‚ dust clouds‚ stars‚ planets‚ and eventually us: life as we know it. In the Bible
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the area of gravitation and astrophysics. His work was being known in the early 1970’s with the theory of pulsations. He formulized the mathematical analysis of gravitational waves. From the 1980’s to the 2000s‚ Kip co-founded the LIGO‚ which stands for Laser Interferometer Gravitational Wave Observatory. “This project targeted Gravitational Wave sources that were worthy of study”. Over the next couple years‚ he has renewed and advanced the LIGO system. With the help of a girl named Anna Zytkow‚ Kip
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Definition Gravity Survey - Measurements of the gravitational field at a series of different locations over an area of interest. The objective in exploration work is to associate variations with differences in the distribution of densities and hence rock types. Occasionally the whole gravitational field is measured or derivatives of the gravitational field‚ but usually the difference between the gravity field at two points is measured Geophysical interpretations from gravity surveys are based
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• Two type of forces: Contact and non-contact |Contact forces |Non-contact forces | |Frictional force |Gravitational force | |Tensional force |Electrical force | |Normal force |Magnetic
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