1,138 prompts matching "Learn: Factorising a quadratic whose coefficient of x squared is one"
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Explain Back: The resultant of two forces acting in the same straight line
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Worked Example: The direction of the resultant of two forces
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WAEC Prep: Why one component vanishes when the direction is chosen well
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Practice: Choosing the most convenient pair of directions to resolve along
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Quiz: The magnitude of the resultant of several coplanar forces
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Practice: The direction of the resultant of several coplanar forces
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Learn: A space diagram and a force diagram drawn side by side
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Worked Example: Using the sine rule on the triangle of forces
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Learn: Choosing the point about which to take moments
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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: Calculating a moment as force times perpendicular distance
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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
I have just studied the units of a moment, and why they are newton metres in my SS3 Furthe
Worked Example: The total moment of three parallel forces about one end
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Explain Back: Locating the point of concurrence on a diagram
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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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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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