Free Vibration

If a motion repeats after equal intervals of time, it is called a?

• Periodic motion

• Linear motion

• Random motion

• Non-linear motion

If a system vibrates due to initial disturbance only, it is called a?

• Damped vibration

• Forced vibration

• Undamped vibration

• Free vibration

The amplitude of an undamped system will not change with time?

• True
• False

The total stiffness k_total can be calculated as k_total = k₁ + k₂ when two springs of stiffnesses k₁ and k₂ are connected in?

• Series

• Parallel

• True
• False