1,245 prompts matching "work, energy and power"
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Worked Example: The weight of a body as mass times g
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Worked Example: The direction of the resultant of two forces
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WAEC Prep: Resolving a force into horizontal and vertical components
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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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WAEC Prep: Friction, and the direction in which it acts
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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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WAEC Prep: The resultant moment of a couple and a force together
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WAEC Prep: The moment of two equal and opposite parallel forces
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Worked Example: The total moment of three parallel forces about one end
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WAEC Prep: The triangle of forces and concurrence taken together
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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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WAEC Prep: The variance of a discrete random variable
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WAEC Prep: A random variable, and the values it may take
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Explain Back: A probability distribution table for a discrete random variable
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WAEC Prep: The probabilities of nought, one and two successes read off an expansion
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Worked Example: Finding a particular term of a binomial expansion
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WAEC Prep: The Poisson formula, and what lambda stands for
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