Problem 3.78

Author: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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Reflection Across 2 Parallel Lines
bewijs stelling van Pythagoras
apec
Reflection across a line
Triangle with 3 Right Angles

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Distance from a point to a line
Pg. 128-129 5,10
Avalanche Ride
สามเหลี่ยมพีทาโกรัส

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Pythagoras or Pythagorean Theorem
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