Multidegree-of-freedom systems

How many degrees of freedom does this system have?

• 1

• 2

• 3

• 4

How many degrees of freedom does this system have?

• 1

• 2

• 3

• 4

The number of distinct natural frequencies for an n-degree-of-freedom system can be? 

• 1

• n²

• n

The natural frequencies of a multi-degree-of-freedom system can be calculated by?

• Solving the eigenvector of the eigenvalue problem

• Solving the eigenvalues of the eigenvalue problem

A two-degree of freedom system has a normal mode displayed in the figure. Which of the following statements is true?

• Mass 1 and Mass 2 are vibrating in phase at the same natural frequency.

• Mass 1 and Mass 2 are vibrating out of phase at the same natural frequency.

• Mass 1 and Mass 2 are vibrating in phase at different natural frequencies.

• Mass 1 and Mass 2 are vibrating out of phase at different natural frequencies.