Effect of m, A, k, & Phase Lag on w in Spring Mass System

In summary, the mass, spring constant, amplitude, and phase lag all play important roles in determining the frequency of a spring-mass system. As the mass and spring constant increase, the frequency decreases and increases respectively. The amplitude does not directly affect the frequency, but can impact the system's behavior. The phase lag, determined by the damping coefficient, can also affect the frequency. Ultimately, the frequency is determined by the equation w = sqrt(k/m) and changes in these factors can interact in different ways to affect the frequency.
  • #1
kevfar
3
0
1. For a given spring mass system, what would be effect on w if: a) incease size of mss, B) inceasing amplitude of vibration, C) increasing spring stiffness, D) increase phase lag



2. w= sqrt (k/m)



3. Therefore using above w = sqrt (k/m)
a. Reduces
b. no change
c. Increases
d. No change

Any coments please
 
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  • #2
Looks good.
 
  • #3
Doc Al said:
Looks good.

Appreciated
 

1. How does the mass affect the frequency of a spring-mass system?

The mass, represented by the variable m, directly affects the frequency of a spring-mass system. As the mass increases, the frequency decreases. This is because a larger mass requires more force to accelerate, resulting in a slower oscillation.

2. What is the role of the spring constant in the frequency of a spring-mass system?

The spring constant, denoted by k, plays a crucial role in determining the frequency of a spring-mass system. As the spring constant increases, the frequency also increases. This is because a stiffer spring requires more force to stretch and compress, resulting in a faster oscillation.

3. How does the amplitude affect the frequency of a spring-mass system?

The amplitude, represented by A, does not have a direct effect on the frequency of a spring-mass system. However, a larger amplitude can lead to a larger maximum velocity and acceleration, which can impact the overall behavior of the system.

4. What is the phase lag in a spring-mass system?

The phase lag, denoted by the Greek letter phi, refers to the delay between the force applied to the spring-mass system and the resulting displacement of the mass. It is determined by the damping coefficient, and a higher phase lag can lead to slower oscillations and a decrease in the system's frequency.

5. How do all of these factors (mass, spring constant, amplitude, and phase lag) interact to affect the frequency of a spring-mass system?

The frequency of a spring-mass system is determined by the equation w = sqrt(k/m), where w represents the angular frequency. Therefore, changes in the mass, spring constant, amplitude, and phase lag can all impact the frequency in different ways. For example, a larger mass and a smaller spring constant can cancel each other out, resulting in a similar frequency as a system with a smaller mass and a larger spring constant. Additionally, a higher amplitude and a higher phase lag can also cancel each other out, resulting in a similar frequency as a system with a smaller amplitude and a lower phase lag.

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