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Lula Belle
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If a person weighing 100 lbs is on a see saw with someone weighing 50 lbs, does the heavier person need to be closer to the fulcrum so that the see saw will balance?
A see saw balance is a simple machine consisting of a long plank or beam balanced on a fulcrum. It allows for two people to sit on opposite ends and move up and down, with one end going up as the other goes down.
The weight of a person can affect a see saw balance by changing the position of the fulcrum. The heavier person will cause the balance to tilt towards their end, while the lighter person will cause it to tilt towards their end. This changes the distribution of weight on either side of the fulcrum.
The fulcrum is the pivot point on which the see saw balance rests. It allows for the movement of the plank or beam, and helps to distribute the weight of the people on either end. The position of the fulcrum can also be adjusted to change the balance of weight.
Yes, the distance of the fulcrum from the heavier person can affect the balance. The closer the fulcrum is to the heavier person, the easier it is for them to lift the lighter person, as the weight is distributed evenly. However, if the fulcrum is placed further away from the heavier person, it becomes more difficult for them to lift the lighter person.
The purpose of a see saw balance is to demonstrate the principles of balance, weight distribution, and leverage. It is also a fun and interactive way for children to learn about physics and mechanics. Additionally, it can be used to teach teamwork and communication, as both people need to work together to achieve a balanced see saw.