Mechanics Revision Exercise Q1. Which of the following is/are the direct implication(s) of Newton’s first law? (1) A boy standing on a bus is ’pulled’ backwards when the bus starts moving. (2) On a smooth surface‚ when you push another person in front of you‚ you will move backwards. (3) The balls of different masses reach the ground at the same time in Galileo’s experiment (carried out on the tower of Pisa). A (1) only B (2) only C (3) only D (1) and (2) only Q2. Two objects‚ connected by a
Free Force Mass Classical mechanics
C1 Revision Notes Atmosphere is a mixture of gases that surrounds the Earth. The three main chemical components present in air are Nitrogen‚ Oxygen and Carbon Dioxide. Trace amounts means only a very tiny concentration of gas is present. An element is made up of 1 type of atom. A compound is made up of 2 or more types of atom that are chemically bonded. A mixture also contains more than 2 or more type of atoms but they cannot be chemically bonded. A pollutant is a waste matter that contaminates
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RE PHILOSOPHY Miracles - REVISION What constitutes a miracle? A miracle is held to be an act of God‚ or an invisible agent‚ which goes against the laws of nature and has some religious meaning or significance. Definitions of miracles are often very broad and leave them particularly wide to interpretation. We may say that it is a miracle that someone has recovered from a cold‚ but that is only the believer’s interpretation and cannot be verified as miraculous. It simply reflects the way
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Count Alfred von Schlieffen‚ chief of the German General Staff‚ finalized the details of his plan‚ whereby Germany would be able to fight a two-front war against both France and Russia. This investigation will evaluate the extent to which the terms of the Schlieffen Plan itself contributed to its failure in 1914. To assess the plan’s failure‚ this investigation will focus on; von Moltke’s revisions to the Schlieffen Plan‚ and its implications in the French invasion‚ the unexpected Belgian resistance
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As the Great War came to a conclusion in 1918 with the armistice signalling the end of battle‚ the challenge was put on the Allied nations to ensure a war of this magnitude would never occur again. President Wilson arrived to the Paris Peace Conferences in early 1919‚ prepared to negotiate the implementation of his “Fourteen Points” into the post-war treaty. The European side of the negotiating table sought to administer harsh penalties on the Germans for their involvement in the war‚ which was contradictory
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King Lear – Revision Male Potency Goneril’s emasculation of Albany in the first and final Acts‚ “milky gentleness…harmful mildness” [p.212 A1S4]; “[weak]-mannered man!” etc Elizabethan understanding of the word “nothing” which is so much repeated. It’s daughters not sons taking away Lear’s power. Old men‚ Lear and Gloucester. “I am ashamed…” [p209 A2S4]‚ Fool: “horns without a case” [A1S5] Goneril calling Lear’s knights a “rabble”‚ shows Lear to be an impotent leader. Thereafter‚ daughters take
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instability. Left: Weimar President Friedrich Ebert Other historians have pointed to the seeming lack of enthusiasm many Germans felt for the new government as contributing to a “doomed” Weimar. Erdmann argued that Germans faced a difficult dilemma in 1918-1919‚ faced with the choices of “social revolution in alliance with the forces pressing for a proletarian dictatorship‚” or “a parliamentary republic in alliance with conservative
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IGCSE History Revision Charts 1. Were the peace treaties fair of 1919-21? -The Big Three (USA‚ France‚ Britain) gathered in Paris for the treaty of Versailles -USA believed in self determination at a strong way. -Britain and France wanted to make Germany pay a lot of reparations as well to gain other colonies‚ as a punishment for WWI. France wanted at an alarming rate to punish Germany. -The treaties could be justified because they had to control Germany and make sure it wouldn’t go to
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BS1 REVISION BOOKLET SECTION 1 WHAT IS BUSINESS What Is a Business: A business or establishment that aims to fulfil a purpose; • Make profits –producing high quality services and goods • Increase brand image/reputation • Try to survive against competitors • Increase market share • Good customer service • Be environmentally sustainable NEEDS - e.g to survive- shelter‚ water‚ food – PROBLEM: needs are limited WANTS – e.g luxuries - such as cars‚ houses‚ phones - POSITIVE: unlimited
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WATERY WORLD Water Usage in HICs Agriculture (39%) – use water to irrigate crops‚ using automated machines that use lots of water. Industry (47%) – Water is used in production and for cooling. Some use 1million litres a day Domestic (14%) – piped water supplies used for baths (150L) and washing machines (100L) other Water Usage in LICs Agriculture (91%) – Less efficient and require man power. Water is wasted in evaporation. Industry (5%) – There is less industry‚ more small cottage shops
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