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4 cards from this section. Quick, good the night before a test.
Define dead loads and give two examples.
Think of the building components that do not move.
What is a moment in simple terms?
Relate it to the action of turning a doorknob.
What is the condition for the sum of vertical forces in static equilibrium?
Think about balancing forces acting up and down.
True or False: Only the sum of horizontal forces needs to be zero for static equilibrium.
Recall the total forces and moments that must be accounted for.
A beam is supported at both ends and has a weight of 100 N positioned on one side at 2 m from the left end. Calculate the reaction forces at both supports assuming the system is in static equilibrium.
Remember to calculate moments about one of the supports to simplify the calculations.
A structure has three loads: 200 N downwards at position A, 100 N downwards at position B, and a 300 N upwards at point C right in the middle of A and B. Determine if the structure is in equilibrium.
Check forces acting in both directions to see if they balance.
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