1,333 prompts matching "Checking an inverse by working the operation both ways"
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WAEC Prep: Resolving a force into horizontal and vertical components
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Quiz: Recovering the original force from its two components
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WAEC Prep: A table of components used to find a resultant
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WAEC Prep: Summing the components of several concurrent forces
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WAEC Prep: The three unknowns a rigid body problem usually carries
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WAEC Prep: The two conditions for a rigid body to be in equilibrium
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WAEC Prep: The polygon of forces for five concurrent forces
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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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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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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: A particle in equilibrium on a smooth inclined plane
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