Monday, June 25, 2012

Unit 5

Today we learned Newton's Laws of motion. With Mr. Blake gone on his trip Jon did a good job teaching the class! haha

Newton's first law states objects in motion will tend to stay in motion, unless acted upon by an outside, unbalanced force. Also objects at rest will stay at rest, unless acted upon by an outside, unbalanced force.

Newton's second law states that the acceleration of an object is directly proportional to the net force upon the object and inversely proportional to the mass of the object. The new equation we learned was F=ma or force equals mass times acceleration. Also Newtons (N) = kg m/s^2

Newton's third law states that for every force there is an equal and opposite force or equal force in the opposite direction. "For every action, there is an equal and opposite reaction."

http://www.fi.edu/pieces/knox/automaton/images/newtons-cradle5.jpg

When we learned about Newton's laws of motion I thought of this as an example. I didn't really know what it was called but I had just seen it on desks and stuff before. After some research I found out it's actually called Newton's Cradle, which makes perfect sense because it's an awesome example. The balls will stay at rest unless acted upon by an outside, unbalanced force, and if you swing one of the balls they will stay in motion unless acted upon by an outside, unbalanced force.

1 comment:

  1. I really like that you did some research, I did not know that, that is what this device is called!

    ReplyDelete