Rubber Band Boats

Topics: Newton's laws of motion, Classical mechanics, Mass Pages: 1 (296 words) Published: January 3, 2011
Adelynne Meier
7th Period
December 2, 2010

Rubber Band Boats

Newton’s First Law is when an object in motion stays in motion, when an object is a rest it stays at rest. Same with speed and direction. Newton’s first law totally connects with our Rubber Band boats. When the boat was in motion, it continually stayed in motion. When the boat was at rest, it stayed at rest. For Newton’s Second Law it states: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object. For our rubber band boats the acceleration of the boat was proportional to the net force and magnitude. And was inversely proportional to the mass of the boat. Newton’s Third Law states: For every action there is an equal and opposite reaction. For instance with our rubber band boats when you winded the rubber band up the band is tightening, but you let go and it pushes the boat forward. Go Newton! Creating our boat was fun but challenging. We encountered some problems but worked them out just fine. One of them was our propeller. We just couldn’t seem to get it right. At first it was too small, and then too long. So we went with the smaller one and changed the rubber band. Our sticks at the end were a little flimsy so we had to add thicker wood to the end to strengthen it. We could have improved it by making it less heavy and making our propeller the exact size we needed. In the end it all worked out and we got second place! q
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