1,325 prompts matching "Learn: Making one unknown the subject of the linear equation"
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WAEC Prep: A table of components used to find a resultant
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Quiz: The magnitude of the resultant of several coplanar forces
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Worked Example: Using the sine rule on the triangle of forces
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Worked Example: Drawing the polygon of forces to scale
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Learn: What an unclosed polygon of forces tells you
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Quiz: The coefficient of friction between two surfaces
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Spot My Mistake: Why friction does not depend on the area of contact
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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Worked Example: The moment of a force about a point on its own line of action
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Explain Back: The units of a moment, and why they are newton metres
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Quiz: The point about which the total moment of a set of forces vanishes
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WAEC Prep: Using concurrence to locate an unknown line of action
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Explain Back: Locating the point of concurrence on a diagram
I have just studied locating the point of concurrence on a diagram in my SS3 Further Mathe
Quiz: A rod resting against a wall, and the concurrence of its three forces
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Worked Example: Matching each force to the sine of the angle opposite it
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Spot My Mistake: The probability of exactly r successes in n trials
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Worked Example: The probability of no events at all in a Poisson distribution
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Quiz: The standard deviation of a Poisson distribution
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Quiz: The probability in the upper tail of a normal distribution
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Quiz: Reading the wording of a question to decide which distribution applies
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