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3 cards from this section. Quick, good the night before a test.
What is the formula for calculating moment?
Think about the terms involved - force and distance!
If a 20 N force is applied at a distance of 1 m from the pivot, what is the moment?
Use the formula M = F × d.
What is a moment?
Remember how forces act in circular motion.
The principle of moments states that in equilibrium:
Think of seesaws and their balance!
A person attempts to lift a heavy object by applying a force at the edge of a lever. If the lever is 3 m long and the force applied is 100 N, how much moment is created about the pivot?
Use the moment formula.
In a balancing game, two children weigh 40 N and 30 N respectively. To balance them, where should the 30 N child sit if they are currently 1 m from the fulcrum and the 40 N child is 0.5 m away?
Apply the principle of moments.
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