1,305 prompts matching "Solving a surd equation that gives an extraneous root"
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WAEC Prep: The polygon of forces for several forces in equilibrium
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Worked Example: Drawing the polygon of forces to scale
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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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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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Learn: The algebraic sum of moments when the senses differ
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WAEC Prep: Why three non-parallel forces in equilibrium must be concurrent
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WAEC Prep: A knot held in equilibrium by three strings
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WAEC Prep: The conditions for a particle under three forces to be in equilibrium
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Spot My Mistake: Finding two unknown tensions from three forces in equilibrium
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WAEC Prep: The statement of Lami's theorem
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Learn: Finding two unknown forces by Lami's theorem
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WAEC Prep: A probability distribution shown as a bar chart
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