Item FM054002: For a tire swing hanging from a tree, both the force of gravity and the force of the rope on the tire are forces acting on the tire.
A tire swing can be made by tying a car tire to a rope and then tying the rope to a tree branch. What are the forces acting on the tire in the tire swing shown below?
- Only the pull of the rope on the tire
- Only the pull of earth’s gravity on the tire
- Both the pull of the rope on the tire and the pull of earth’s gravity on the tire
- Neither the pull of the rope on the tire nor the pull of earth’s gravity on the tire
- Distribution of Responses
![Chart showing distrubtion of responses for Item FM054002](http://chart.apis.google.com/chart?chs=265x180&cht=bvg&chf=bg,s,00000000&chco=76A4FB|76A4FB|339933|76A4FB&chds=0,100&chd=t:7,15,76,2&chxl=0:|A|B|C|D&chxt=x,y&chbh=a&chbw=a&chm=N*f0*%,000000,0,-1,11,,e::5&filename=FM054002-dist.png)
- Students Responding Correctly
Group | Correct | Total | Percent |
---|---|---|---|
Overall | 2690 | 3557 | 76% |
Grades | |||
6–8 | 1660 | 2259 | 73% |
9–12 | 1022 | 1288 | 79% |
Gender | |||
Male | 1246 | 1697 | 73% |
Female | 1385 | 1787 | 78% |
Primary Language | |||
English | 2444 | 3202 | 76% |
Other | 193 | 283 | 68% |