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Apr 17

Magnetic Bracelets, Copper Bracelets, Magnetic Jewelry and "Seeing" Newton's Gravity With Marbles and


Well maybe lookingat a magnetic bracelet, copper bracelet, magnetic jewelry website is going too far referring to Newton and various theory's but then again why not fill the mind while you still can??

 

SUBJECT: Observing Newton's Theory of Gravity

Introduction: According to Newton's theory of gravity, all bodies possess the force of attraction called "gravity." Larger masses, such as the Sun, attract smaller masses, such as the planets and comets, more strongly, causing the smaller masses to move toward the larger masses. In our solar system, the planets orbit the Sun due to the force of the Sun's

 

Materials

 
 
 Flat Magnet (the stronger the better)
Ball bearing (at least 8mm)
Large piece of cardstock (~1ft.x3ft.)
 
 
gravity pulling them into this elliptical path. Comets soaring through the galaxy are curved toward the Sun due to gravity's pull. In this demonstration, we use the force of magnetism to model how the force of gravity reaches out and pulls comets toward the Sun and how planets stay in orbit.

Setup: Place cardstock on table or floor. Place magnet underneath one end of the cardstock. Make sure the magnet does not create a significant bump in the cardstock. If it does, raise the cardstock so there is no bump.

Procedure: Roll a steel ball bearing down the length of the cardstock. Try to roll it near the hidden magnet. Observe what happens to the path of the ball bearing when it comes close enough to the magnet to react to its magnetic field. Can you make the ball bearing turn 45 degrees? 90 degrees? 180 degrees? 360 degrees? Try to roll the ball bearing at the right speed and distance from the magnet so it curls around it and comes back to you. This may take many efforts.

Observations:.........Read on.....http://einstein.stanford.edu/content/education/EducatorsGuide/Page24.html

Posted by Jay Roberts at 03:28 AM | Permalink

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