Statics of Rigid Bodies

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A Level Maths revision tutorial video.

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11:46 You're not even explaining how you got TsinΘ smh

unknownname
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How did you know in which direction the ladder has tendency to slide towards? 😕

arnobghosh
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11:46 in this example why do we find the perpendicular distance from A to the line of action T?

stinkypete
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Hi, for the second question is the vertical force acting at point A is the frictional force between the rod and the vertical wall at A ?

stzoct
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at 6:12, when do you know when to pick sin or cos?

aynociz