787 prompts matching "Explaining why we rationalise denominators"
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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 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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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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Quiz: The point about which the total moment of a set of forces vanishes
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WAEC Prep: The triangle of forces and concurrence taken together
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WAEC Prep: Using concurrence to locate an unknown line of action
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Spot My Mistake: Using concurrence to find the direction of an unknown third force
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Quiz: A rod resting against a wall, and the concurrence of its three forces
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WAEC Prep: A particle in equilibrium on a smooth inclined plane
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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: Lami's theorem derived from the triangle of forces
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WAEC Prep: A lamp hanging from two wires, solved by Lami's theorem
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WAEC Prep: The statement of Lami's theorem
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Worked Example: Matching each force to the sine of the angle opposite it
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Learn: Finding two unknown forces by Lami's theorem
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