Saturday, February 13, 2010

Mount N Blade Battle Limit Frequency Of Vibration- I Found K But Have Only A Volume And Not A Mass, Need A Mass To Calculate T And F?

Frequency of vibration- i found k but have only a volume and not a mass, need a mass to calculate T and f? - mount n blade battle limit

A vibration sensor used in the tests of a washing machine consists of an aluminum cube 1,50 cm (on board on a piece of leaf spring steel as a blade) is mounted such that in a vertical plane. The bulk of the volume is small compared with the dice, but the length of the strip is large relative to the size of the cube. The other end of the belt is anchored in the machine does not work. A horizontal force of 1.40 N are needed in the bucket application, by 2.65 cm in from the equilibrium position. Solve the cube, what is the frequency of vibration?

I F = 1.40N x =. 0265M in F = KX-you get above -50 K. (assumed that negative?)
I know I can get the frequency of the time, and the time is (6.28 / W) GEAngle t. freq (w) I cube root of K / m, but it has not a single mass and volume of IM do not know how to use the volume and mass to understand.

1 comments:

schmiso said...

Pier constant k is positive, of course. You have an error of sign. For a body at rest, heres all the forces (the force is exerted on the block and the spring force) sum to zero:
F + F = F - K • x = 0

In order to increase the calculated mass of the aluminum block with only the volume density:
• m = V ρ = 2.70 g / cm ³ ⁻ · (1.5 cm) ³ = 9.1125g

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