1,246 prompts matching "Disjoint sets and what they mean"
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Explain Back: Why the total moment about any point must be nought
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WAEC Prep: The polygon of forces for five concurrent forces
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WAEC Prep: The resultant read off an unclosed polygon
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WAEC Prep: The polygon of forces for several forces in equilibrium
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Practice: Finding an unknown force from a closed polygon
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WAEC Prep: Why friction is called a self-adjusting force
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WAEC Prep: A body just about to slide on a horizontal surface
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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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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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WAEC Prep: Calculating a moment as force times perpendicular distance
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Spot My Mistake: The moment of a force whose line of action is not perpendicular
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WAEC Prep: The total moment of two forces about the same point
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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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WAEC Prep: Why three non-parallel forces in equilibrium must be concurrent
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Explain Back: Locating the point of concurrence on a diagram
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Spot My Mistake: Using concurrence to find the direction of an unknown third force
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WAEC Prep: A particle in equilibrium on a smooth inclined plane
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