1,334 prompts matching "Sum of an arithmetic series given the first and last term"
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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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Practice: Limiting friction, and the greatest value it can reach
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Spot My Mistake: Why friction does not depend on the area of contact
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WAEC Prep: The moment of a force about the foot of a pole
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WAEC Prep: The moment of a weight about a hinge
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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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WAEC Prep: The total moment of two forces about the same point
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Worked Example: The total moment of three parallel forces about one end
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WAEC Prep: Using concurrence to locate an unknown line of action
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WAEC Prep: The statement of Lami's theorem
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Spot My Mistake: Why the probabilities in a distribution must sum to one
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Worked Example: Finding a particular term of a binomial expansion
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WAEC Prep: The probability of at most r successes
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WAEC Prep: The most likely number of successes in n trials
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Spot My Mistake: The probability of exactly r successes in n trials
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WAEC Prep: The probability of at least one event in a Poisson distribution
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Worked Example: The probability of no events at all in a Poisson distribution
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