Using Moments - Harder (AQA A-Level Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What defines a nonuniform rod?
What defines a nonuniform rod?
Centre of mass not at centre
Which can cause a rod to be nonuniform?
Which can cause a rod to be nonuniform?
Different thicknesses at points
What else causes nonuniformity in rods?
What else causes nonuniformity in rods?
Different material densities
A m rod weighs N, centre of mass m from . Find reaction at (both ends supported).
A m rod weighs N, centre of mass m from . Find reaction at (both ends supported).
N
For the same m rod, what is reaction at ?
For the same m rod, what is reaction at ?
N
A m bar has reactions N and N at its ends. What is the bar's weight?
A m bar has reactions N and N at its ends. What is the bar's weight?
N
For the m bar with N and N reactions, find centre of mass distance from N support.
For the m bar with N and N reactions, find centre of mass distance from N support.
m
Where does the weight act in moment calculations for a rod?
Where does the weight act in moment calculations for a rod?
At the centre of mass
Why choose a pivot where unknown forces act?
Why choose a pivot where unknown forces act?
Eliminates unknowns from equation
For equilibrium, what conditions must be satisfied besides moments?
For equilibrium, what conditions must be satisfied besides moments?
and