Problem 3.78

Autore:William Haynes

If a 250-N force P is exerted on the spanner at D, find the reaction at B and the component of the reaction a A in a direction perpendicular to AC. Use the three-force-body principle.

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רישום חופשי
bewijs stelling van Pythagoras
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Erdős's problem #503, n=3
အခြေခံ data အခေါ်အဝေါ်များ

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