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Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: 1. **Static Friction**: This type of friction occurs when two surfaces are at rest relative to each other. 2. **Kinetic Friction**: Kinetic friction arises between two objects that are sliding against each other. 3. **Rolling Friction**: This occurs when a round object rolls over a surface, like a ball rolling on the ground. 4. **Fluid Friction**: Fluid friction, also known as viscous drag, occurs between layers of fluid that are moving relative to each other, like air resistance or water resistance. These types of friction play essential roles in everyday life and in various fields of science and engineering. read less

The gravitational field is a region around a mass where another mass experiences a force due to gravity. Gravitational potential, on the other hand, is the amount of work needed to move a unit mass from a reference point to a specific point in the gravitational field, often measured in joules per kilogram (J/kg) read less

There are several resources available for practicing hard-level IIT JEE problems. You can try: 1. Previous years' question papers: These are a great source of challenging problems and help you understand the exam pattern. 2. Reference books: Books authored by renowned authors like H.C. Verma, Resnick Halliday, I.E. Irodov, and others contain advanced-level problems. 3. Online platforms: Websites like Khan Academy, Brilliant.org, and Toppr offer challenging problems and practice tests specifically designed for IIT JEE preparation. 4. Coaching institutes: Many coaching institutes provide study materials and practice sets with hard-level problems. 5. Forums and discussion groups: Participating in online forums or joining social media groups related to IIT JEE preparation can expose you to a variety of challenging problems discussed by peers and experts. Remember to balance your study routine with a mix of easy, moderate, and hard-level problems to ensure comprehensive preparation. read less

While coaching materials can be incredibly helpful in preparing for the IIT JEE, relying solely on them may not be sufficient for everyone. Success in the exam often requires a combination of factors, including: 1. **Understanding of Concepts:** Coaching materials typically cover the required concepts comprehensively. However, understanding these concepts thoroughly is crucial, and sometimes additional resources may be needed to grasp them fully. 2. **Practice:** Solving a wide variety of problems is essential to develop problem-solving skills and familiarity with different question types. While coaching materials provide practice questions, additional resources like previous years' papers and supplementary books can offer more diverse problem sets. 3. **Mock Tests:** Regularly taking mock tests under exam-like conditions is crucial for improving time management, identifying weak areas, and gauging one's preparedness. Some coaching institutes provide mock tests, but candidates may also benefit from seeking out additional mock tests from other sources. 4. **Self-Study:** Supplementing coaching materials with self-study using textbooks, online resources, and reference books can deepen understanding and provide alternative explanations for difficult topics. 5. **Revision:** Regular revision of concepts and problem-solving techniques is essential to reinforce learning and ensure retention. Ultimately, while coaching materials are a valuable resource, candidates often benefit from using a variety of study materials and strategies to prepare effectively for the IIT JEE. Additionally, seeking guidance from teachers, mentors, or peers can provide valuable insights and support throughout the preparation process. read less

Published by Cambridge University Press, the New Insight into IELTS is a comprehensive reference material for preparing and practising for IELTS. The materials build skills gradually, and cover the language and test techniques students need to approach IELTS with confidence

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Canada's official languages are English and French. If you're fluent in French, you can apply for the French-Speaking Skilled Worker program to immigrate to Canada without taking the IELTS exam. This program is designed to attract French-speaking immigrants to Canada and does not require IELTS scores.

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Once you have done your test, calculate your score. In general, you will need to get about 30 out of 40 to get a level 7. For the Reading section, the marks you need to get a level 7 depends on the type of test you are taking. For the Academic test, you will need to get between 30 to 32 out of 40 to get a band 7.

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Remember, for the IELTS Academic Writing Task 1 question, you need to analyze a chart, table, diagram, map, or graph (or a combination of these). The Academic Writing Task 1 assignment is always the same: “Summarize the information by selecting and reporting the main features and make comparisons where relevant.”

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