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2 cards from this section. Quick, good the night before a test.
Define resultant force in your own words.
Think about how forces add together.
What is equilibrium?
Consider what happens to an object at rest.
What does resultant force represent?
Think about what happens when multiple people push the same object.
If an object is in equilibrium, does it have a resultant force?
Consider forces acting on a stationary object.
A box is pulled by two forces of 40N and 60N in opposite directions. Calculate the resultant force and determine the state of the box.
Think about subtracting the smaller force from the larger.
In a bridge design, various forces act on a beam: a downward force of 1500N and an upward force of 1500N. Determine the equilibrium status of the beam.
Recall that equilibrium happens when forces balance each other.
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