oscillation with a period depending on the system's characteristics

oscillation under the influence of a periodic external force

oscillation of a simple pendulum with a small angle (α ≤ 10°)

oscillation of a system occurring only under the influence of internal forces

Free oscillation is an oscillation with a period that

depends only on the characteristics of the system, not on external factors

depends only on external factors, not on the characteristics of the system

depends only on the mass of the oscillating object

depends only on the gravitational acceleration

Which of the following is not a mechanical oscillation?

The motion of a car on the road

The swinging motion of a clock pendulum

The bobbing motion of a buoy on water

The graph represents two harmonic oscillations with the same direction, frequency, and amplitude A as shown in the figure. These oscillations always:

Pass through the equilibrium position in the same direction.

Have a phase difference of 2π.

Have a combined amplitude of 2A.

Choose the incorrect statement.

Harmonic oscillation is considered as the projection of uniform circular motion onto a straight line in the plane of the trajectory.

Periodic motion is motion that repeats itself after equal time intervals.

Oscillation is motion limited in space, repeating many times around an equilibrium position.

The initial phase φ determines the position of the object at time t = 0.

The initial phase of harmonic oscillation depends on:

The choice of the origin of coordinates and time.

The energy transferred to the object for it to oscillate.

The characteristics of the oscillating system.

The way the object is stimulated to oscillate.

In 10 seconds, the harmonic oscillating object completes 40 oscillations. Which information is incorrect?

The oscillation process of the object only repeats after 10 s.

The period of oscillation of the object is 0.25 s.

The frequency of oscillation of the object is 4 Hz.

Which of the following information is incorrect?

Only after 10 s does the oscillation process of the object repeat as before.

The period of oscillation of the object is 0.25 s.

The frequency of oscillation of the object is 4 Hz.

After 0.5 s, the distance the object travels is 8 times the amplitude.

For harmonic oscillation, the period of oscillation is the shortest time for a state of oscillation to repeat as before. What parameters are included in the old state?

Old velocity and old acceleration.

Old acceleration and old position.

The amplitude of the harmonic oscillating system depends on which factor?

The way of stimulating the object to oscillate.

The way of choosing the coordinate axis.

The way of choosing the time origin.

Choose the most correct statement? The projection of a uniform circular motion onto a diameter

is considered a harmonic oscillation.

is not considered a harmonic oscillation.

An object oscillates with the equation x = 8 cos(2πt/2) cm. Which of the following statements is correct?

The amplitude of the object's oscillation is 8 cm.

A vibrating object has the equation x = -8 cos(2πt) cm. Which statement is correct?

The amplitude of the vibration is A = -8 cm.

The initial phase of the vibration is 2π.

The initial phase of the vibration is 2π -.

The phase of vibration at time t is 2π.

A body oscillates harmonically along the Ox axis. Which statement is correct?

The trajectory of the body's motion is a cosine curve.

The trajectory of the body's motion is a straight line.

The restoring force acting on the body is constant.

The displacement of the body is proportional to the oscillation time.

When a body oscillates harmonically,

the velocity of the body has a maximum magnitude when the body is at equilibrium position.

the restoring force acting on the body has a maximum magnitude when the body is at equilibrium position.

the acceleration of the body has a maximum magnitude when the body is at equilibrium position.

the restoring force acting on the body has a magnitude proportional to the square of the amplitude.

Vận tốc của chất điểm dao động điều hoà có độ lớn cực đại khi

li độ có độ lớn cực đại.

gia tốc có độ lớn cực đại.

Kiểm Tra Giữa Kì Môn Vật Lí 11

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Initial phase

Angular frequency

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Kiểm Tra Giữa Kì Môn Vật Lí 11

151 questions

Which quantity below characterizes the time difference between two harmonic oscillations with the same period?

The number of complete oscillations an object performs in one second is called

The period of oscillation is

In harmonic oscillation, which quantity below cannot have a negative value?

The time for the object to complete one full oscillation is

The amplitude of oscillation

For periodic oscillations, the number of oscillations repeated in a unit of time is called

The quantity that characterizes the rapidity or slowness of a harmonic oscillation is

The quantity that characterizes the rapidity or slowness of a harmonic oscillation is

For a harmonic oscillating object, the formula relating frequency f and period T is

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