Judith Vanellli

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Recent Reviews by Judith

Fri Apr 30, 2010 9:51 PM
4 Newton's Third Law
It was difficult to rationalize how an object could push back on you. But the comparison to springs in a bed on a microscopic level really helped me get it. I never thought that the net force by one object will cause an equal but opposite force back by the object it hits.

Fri Apr 30, 2010 8:54 PM
3 Newton's Second Law
Maybe it was just me, but I was having a bit of trouble with answering the concept taught in this resource. Understanding that different forces effect the motion of an object particularly gave me trouble in the quizzes. Punching in numbers to figure out a formula is not hard to do, I was just a bit bothered that I couldn't get things answered correctly. The interactive modules are fine. I like the one with the balloons and washer.

Fri Apr 30, 2010 4:39 AM
3 Newton's First Law
Really like that audio accompanied the lesson, but it kind of slowed me down. The videos were helpful in understanding the examples of this law. But I really liked the interactive ball with track activity. I still am having trouble with inertia and will need to reviewl