- #1
BoggyP
- 10
- 0
Homework Statement
Ok so we did an experiment in class.
We took a wooden board, and put it on an incline. We put a car on top of the board with a man made of play-doh. We put a barrier on the board so that the car would crash and the man would fall off. This has to do with the topic "why do we wear seat belts?" I did the experiment and most of the write up but I'm not sure about a few small things.
1) Free body diagrams on the passenger before & during the collision.
2) Makes curve of best fit on our graphs.
2. The attempt at a solution
1) For before the collision I know the gravity and normal force were i believe equal, since he was sitting on the car. I think that's all but not sure.
For during the collision the apparent force > friction force? and gravity > normal? I think it's true because gravity pulls you back down and the friction you get when flying though air is very small.
2)
http://good-times.webshots.com/photo/2443143040103984762poFErA
http://thumb2.webshots.net/t/50/750/6/5/40/2220605400103984762TULVjX_th.jpg
Well I have to plot distance down the ramp vs. distance the man went before he stopped & Distance vs. Speed of the car (based on ticker taping).
3. Important Facts
The car was like a brick with wheels a man made of play-doh sat on the top near the front.
Thanks,
BoggyP
Last edited by a moderator: