1,170 prompts matching "Spot my mistake calculating standard deviation"
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Practice: The value of g used in Nigerian examination papers
Act as my SS3 Further Mathematics tutor. Give me five practice questions on the value of g
Practice: The parallelogram law of forces
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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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Learn: The resultant of two perpendicular forces
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Learn: The component of a force along a stated direction
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Quiz: Recovering the original force from its two components
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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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Explain Back: Showing that a system of concurrent forces is in equilibrium
I have just studied showing that a system of concurrent forces is in equilibrium in my SS3
Worked Example: Marking the weight, the normal reaction and the friction on a diagram
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Learn: A space diagram and a force diagram drawn side by side
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Explain Back: The forces acting on a body hanging from two strings
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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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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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Worked Example: Drawing the polygon of forces to scale
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