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July 31, 2014

Homework Help: Physcial Science

Posted by Ray S on Wednesday, January 5, 2011 at 3:08pm.

How can I apply Newton's First and Second Law to walking?

I'm thinking the 1st, is the muscles would apply an unblanced force to make us move?
Second-if we're walking and the mass of our body is 130 lbs and we're accelerating at 4 miles per hour, then the force necessary to keep us in motion would be 520

Please give me any feedaback that you could provide-I need to draw diagrams and everything but I do that once I get a feel. I know the two laws, I just don't get how to aplly them

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