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Questions and Answers
What is the defining characteristic of simple harmonic motion?
What is the defining characteristic of simple harmonic motion?
- The force is random
- The force is inversely proportional to displacement
- The force is directly proportional to displacement (correct)
- The force is constant
Which term refers to the number of oscillations per unit time in simple harmonic motion?
Which term refers to the number of oscillations per unit time in simple harmonic motion?
- Frequency (correct)
- Acceleration
- Velocity
- Period
What does amplitude represent in simple harmonic motion?
What does amplitude represent in simple harmonic motion?
- Maximum displacement from equilibrium position (correct)
- Force applied during oscillation
- Total distance traveled during oscillation
- Maximum speed of oscillation
Which term represents the time taken for an object to complete one full cycle of oscillation?
Which term represents the time taken for an object to complete one full cycle of oscillation?
What does the spring constant determine in simple harmonic motion?
What does the spring constant determine in simple harmonic motion?
What fundamental parameters characterize all periodic motion?
What fundamental parameters characterize all periodic motion?
Which quantity is directly proportional to the force constant or stiffness of a spring?
Which quantity is directly proportional to the force constant or stiffness of a spring?
In simple harmonic motion, what happens to the potential energy as the amplitude increases?
In simple harmonic motion, what happens to the potential energy as the amplitude increases?
What property of a spring determines how much force is needed to extend or compress it?
What property of a spring determines how much force is needed to extend or compress it?
How is the period of a pendulum related to its frequency?
How is the period of a pendulum related to its frequency?
What does the spring constant indicate in the context of periodic motion?
What does the spring constant indicate in the context of periodic motion?
In simple harmonic motion, what remains constant over time if no external forces act on the oscillator?
In simple harmonic motion, what remains constant over time if no external forces act on the oscillator?
How is the frequency related to the period in periodic motion?
How is the frequency related to the period in periodic motion?
If a motion has a period of 0.5 seconds, what is its frequency?
If a motion has a period of 0.5 seconds, what is its frequency?
What does amplitude measure in the context of oscillating objects?
What does amplitude measure in the context of oscillating objects?
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Study Notes
Simple Harmonic Motion
Simple harmonic motion is a type of periodic motion where the restoring force is directly proportional to the displacement from its equilibrium position. It is characterized by its simple form and can be described mathematically using sinusoidal functions.
Periodic Motion
Periodic motion is the motion of an object that repeats itself over time. In simple harmonic motion, the object oscillates back and forth between two points, repeating the same motion over time.
Frequency
Frequency is the number of oscillations per unit time. In simple harmonic motion, the frequency is denoted by f, and it measures how many times the oscillation repeats in one second.
Amplitude
Amplitude is the maximum displacement of an object from its equilibrium position during its oscillation. In simple harmonic motion, the amplitude is typically denoted by the symbol A.
Period
The period is the time it takes for the object to complete one full cycle of oscillation. In simple harmonic motion, the period is denoted by T, and it measures how long it takes for the oscillation to repeat itself.
Spring Constant
The spring constant, also known as the force constant, is a property of a spring that determines its stiffness. In simple harmonic motion, the spring constant is denoted by the symbol k. It is the force needed to extend the spring by one unit of length.
In summary, simple harmonic motion is a type of periodic motion characterized by its sinusoidal nature and its dependence on a restoring force proportional to the displacement from equilibrium. The restoring force leads to oscillations with a frequency, amplitude, period, and spring constant that define the motion's properties.
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