1,334 prompts matching "Spot my mistake in a combinatorial probability problem"
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Practice: Choosing the most convenient pair of directions to resolve along
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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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Explain Back: Showing that a system of concurrent forces is in equilibrium
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WAEC Prep: The forces on a body resting on a rough horizontal plane
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WAEC Prep: The forces on a body suspended by a single string
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WAEC Prep: Drawing a clear force diagram for a body at rest
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Worked Example: Marking the weight, the normal reaction and the friction on a diagram
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Explain Back: The forces acting on a body hanging from two strings
I have just studied the forces acting on a body hanging from two strings in my SS3 Further
WAEC Prep: The triangle of forces used together with the cosine rule
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WAEC Prep: Labelling the triangle of forces from the space diagram
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WAEC Prep: The triangle of forces for three forces in equilibrium
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Worked Example: Using the sine rule on the triangle of forces
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Explain Back: The order in which the forces are drawn round the triangle
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WAEC Prep: A rigid body held in equilibrium by four forces
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WAEC Prep: The two conditions for a rigid body to be in equilibrium
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Practice: Why the forces must sum to nought in two perpendicular directions
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Explain Back: Why the total moment about any point must be nought
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Learn: Choosing the point about which to take moments
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WAEC Prep: The polygon of forces for several forces in equilibrium
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