Today's reading uses a seesaw, or teeter totter, to demonstrate how a lever works. This video shows three performers using a seesaw - they call it a teeterboard - to do things you'll never see on the playground. (At least I hope not!) When one person pushes down on the lever, what happens to the person on the other side? Remember, the direction of the force changes.
mrwreads.blogspot.com
Wednesday, December 17, 2014
Playing on a Simple Machine
Levers are simple machines that, like pulleys, change the direction of a force. If you push down on a lever, you can change the force's direction to go up. A lever has a board or pole and a fulcrum. The fulcrum is where the change in direction happens.
Today's reading uses a seesaw, or teeter totter, to demonstrate how a lever works. This video shows three performers using a seesaw - they call it a teeterboard - to do things you'll never see on the playground. (At least I hope not!) When one person pushes down on the lever, what happens to the person on the other side? Remember, the direction of the force changes.
Today's reading uses a seesaw, or teeter totter, to demonstrate how a lever works. This video shows three performers using a seesaw - they call it a teeterboard - to do things you'll never see on the playground. (At least I hope not!) When one person pushes down on the lever, what happens to the person on the other side? Remember, the direction of the force changes.
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