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4 cards from this section. Quick, good the night before a test.
What is a moment?
Think about how forces can cause things to turn.
What does the moment arm represent?
Consider how far the force is applied from the pivot.
What is the formula for calculating the moment?
Remember the formula we discussed.
True or False: A couple can produce translational motion.
Think about the effect of two opposing forces.
A force of 75N is applied at a distance of 5m from a pivot. Calculate the moment.
Use the moment formula.
You have a beam with a 100N load 2m from the pivot and a 40N load at an unknown distance. How far must the 40N load be to balance the beam?
Remember to balance the moments to find the unknown distance.
6 more questions in this section. Enroll free to practise them all.
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