1.2 free oscillations. forced oscillations. Flashcards

1
Q

how many types of oscillations exists? which ones.

A

there are 2: forced and free ones.

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2
Q

which ones are forced oscillations?

A

oscillations that occur under the action of periodic external forces.

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3
Q

which ones are the free oscillations?

A

oscillations that occur without the action of external periodic forces.

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4
Q

what are the free oscillations called?

A

damped oscillations.

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5
Q

Why does the amplitude of free oscillations decrease?

A

due to the action of frictional forces, the oscillations are damped.

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6
Q

give me an example of a damped oscillation.

A

for example, the oscillations of a pendulum removed from the equilibrium position are damped due to air resistance.

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7
Q

What happens when the resistance is low? when is the damping noticed?

A

the damping is only noticed after it performs several oscillations.

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