11: Exam Questions Flashcards

1
Q

There is mass suspended by a spring from a vibrating support. What condition is necessary for it to go into resonance?

A

frequency of support equals/matches natural frequency of mass-spring system

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2
Q

Explain one effect of damping when the system (mass suspended by a spring from a vibrating support) goes into resonance.

A

reduces amplitude of oscillations; by transferring energy from it / applying friction;

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3
Q

Define Simple Harmonic motion (2)

A

Acceleration ∝ displacement [from a fixed point] (1) and directed
towards a fixed point (1)

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