Your friend's 11.5g graduation tassel hangs on a string from his rearview mirror. When he accelerates from a stoplight, the tassel deflects backward toward the rear of the car at an angle of 6.27degrees relative to the vertical.
b)At what angle to the vertical will the tension in the string be twice the weight of the tassel?
I have the answers but i want to know how its worked out i keep getting a diffrent answer.
a)0.113N, b)60.0 degrees
Draw a sketch. Represent the tassel at the end of the string as a point. Draw a vertical line thru this point. The Tassel weight "mg" is straight down along this vertical. The string tension "T" is up along the string, which makes an angle 6.27 deg with the vertical line.
The vertical components of these two forces are "mg" and "TCos(6.27)".
Since the Tassel is at rest vertically, these forces must balance;
theta = 60 deg.
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