Physics Moment of a force: Moment of a force = force x perpendicular distance of the line if action if the force from fulcrum Law of moments: When a body is in equilibrium the sum of the clockwise moments about any point equals the sum of the anticlockwise moments about the same point. Centre of mass: Centre of mass is the point where whole mass of the body assumes to be concentrated. II. If the vertical line through the centre of mass is outside the base it will be a topples but if it’s passed
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Debenture - If a company borrows money‚ it will give its creditor a document confirming the existence and terms of the loan. This document is called a debenture. The execution of debentures & creation of charges over land by borrowers in favour of banks to secure banking facilities/loans is a common practice. Typically such debentures empower the banks to appoint receivers & managers to act on behalf of the borrowers to sell charged land by private treaty. (Teo & Khaw) Question: in
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Secondary Source The Science of Electricity How Electricity is Generated/Made The Transformer - Moving Electricity Measuring Electricity energy calculator links page recent statistics A SECONDARY SOURCE Electricity is the flow of electrical power or charge. It is a secondary energy source which means that we get it from the conversion of other sources of energy‚ like coal‚ natural gas‚ oil‚ nuclear power and other natural sources‚ which are called primary sources. The energy sources we use to make electricity
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MTN Learn Physical Sciences Grade 12 radio support notes MINDSET LEARN XTRA GRADE 12 PHYSICAL SCIENCES RADIO BROADCAST NOTES CONTENTS Introduction ................................................................................................................ 3 Broadcast Schedules ................................................................................................ 5 Preparing for Examinations ..................................................................................
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is a polymer material that strengthens when heated and cannot be remolded or reheated after the initial baking process. Pieter de Lange also invented the electrostatic spray process in 1962. This process includes giving a negative charge to the object being painted and then grounding it. The paint is then given a
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structures which means that structure means how a item is put together Contain nucleus‚ which contains protons and neutrons Protons: have an electrical charge and will weigh one atomic mass unit. Neutrons: are chargless. Hence neutral. Will weigh one atomic mass unit. Electrons: will be found moving around the nucleus. Will have a negative charge. Do not have any weight meaning they are weightless and have no atomic mass. Read about Isotopes‚ radioisotopes Molecules/compound Molecules
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that displayed high levels of energy. They had the ability to‚ when covered with a saucer-shaped cathode‚ heat a piece of aluminum until it turned red. Beta rays were described as being streams of particles bent in a magnetic field with a negative charge. These beta rays were proven to be minute in size and collectively only amounted to the mass of the smallest known atom. They were all found to be identical despite their origin. Some scientists speculated as to their purpose in the universe. Some
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of ice (frozen raindrops) bump into each other as they move around in the air. All of those collisions create an electric charge. After a while‚ the whole cloud fills up with electrical charges. The positive charges or protons form at the top of the cloud and the negative charges or electrons form at the bottom of the cloud. Since opposites attract‚ that causes a positive charge to build up on the ground beneath the cloud. Thunder
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were just rallied days before from South Carolina. The rebel force charged up the mountain screaming and firing their muskets from behind natural barricades. The Loyalists were unaware and were caught off gaurd; Ferguson rallied his troops and led charges down the hill. Lesser
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INVESTIGATORY PROJECT GROUP 2 Background of the Study Electricity is the physical phenomena arising from the behaviour of electrons and protons caused by the attraction of particles with opposite charges and the repulsion of particles with the same charge. Electricity from a lemon is possible to get electricity from a lemon using strips of metal. The most readily available combination is copper and zinc. The zinc piece can be taken from the casing of an old carbon "D" cell (battery);
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