Practice Applications Of The Principle Of Moments (5.5) - Moments

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6 sample questions

Question 1.
What is a lever?
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Think about how seesaws work.
Question 2.
What is the role of the fulcrum in a lever?
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Consider what part of a seesaw doesn't move.
3Question 3.
What is the primary purpose of a lever?
- To lift weights with less effort
- To push objects
- To create friction
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Think about how a seesaw functions.
4Question 4.
True or False: The fulcrum is where the load is located on a lever.
- True
- False
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Remember the definition of the fulcrum.
Question 5.
You are designing a seesaw and want it to balance if a 12 kg child sits 1 m from the fulcrum. How far will a 10 kg child need to sit from the fulcrum to balance it?
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Use the moment balance equation to solve for the distance.
Question 6.
A race car is balanced on a scale where the weight distribution is 400 kg at the front and 600 kg at the rear. How can this affect performance, and how would the car need to be adjusted based on lever principles?
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Think about how the position of weight affects steering and grip.

4 more questions in this section. Enroll free to practise them all.