Monday

December 22, 2014

December 22, 2014

Posted by **Haley** on Sunday, January 9, 2011 at 1:24pm.

1 NIs it possible to increase the tension in the wire so that there is no sag?

so far i know you do the inverse sin of (3.8/22) to find theta

then (56x9.8)/2 to get 274

however, now im stuck at sin(9.95)/sin(9.95)= (274)/(3.8x9.8)

i can't figure out if i did the wrong equation or just why i am stuck.

- physics -
**drwls**, Sunday, January 9, 2011 at 1:33pmarcsin 3.8/22 = 9.95 degrees is the sag angle.

So far, so good.

2 T sin 9.95 = M g = 549 N

That is the vertical force balance equation. T is the tension on either side of the tightrope walker.

T = 549/[2*0.173) = 1590 N

<<Is it possible to increase the tension in the wire so that there is no sag? >>

No

- physics -
**Wjones**, Friday, October 26, 2012 at 11:41amI believe you would use arctan. The rope is 44m long and 1/2 that becomes the adjacent leg. The distance sagged is the opposite leg so the angle should be arctan(3.8/22) or 9.79degrees. Plugging that in results in 1613N or approximately 1600N

**Answer this Question**

**Related Questions**

Physics - The tightrope walker gets tired and decides to stop for a rest. ...

math - A tight-rope walker walks across a 30.0 m long wire tied between two ...

phsycis - A tight-rope walker walks across a 30.0 m long wire tied between two ...

calculus - A tight rope is stretched 30 feet above the ground between the Jay ...

PHYSICS helppppp - a horizontal wire is stretched between two vertical poles. ...

Physics - An acrobat hangs by his hands from the mid- dle of a tightly stretched...

Physics - An acrobat hangs by his hands from the mid- dle of a tightly stretched...

Physics - An acrobat hangs by his hands from the mid- dle of a tightly stretched...

physics - a horizontal wire is stretched between two vertical poles. when a 12.0...

Physics - A weight of 50.0 N is hung from the center of a stretched horizontal ...