Chapter 9
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Simple Harmonic Motion (SHM) | A type of periodic motion where the restoring force is directly proportional to the displacement from equilibrium and acts in the opposite direction.
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| Spring Constant (k) | A measure of a springโs stiffness. It defines how much force is needed to stretch or compress a spring by a certain distance.
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| Amplitude (A) | The maximum displacement from the equilibrium position in oscillatory motion. It represents the peak value of position and is usually measured in meters (m).
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| Elastic Potential Energy | The energy stored in a stretched or compressed spring.
Formula: ๐=(1/2)๐๐ฅ^2
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| cycle | One complete repetition of a periodic motion. For example, one full back-and-forth motion of a pendulum or spring.
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| Period (T) | The time it takes to complete one full cycle of motion.
Units: seconds (s).
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| Frequency (f) | The number of cycles per second.
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| Hertz (Hz) | The SI unit for frequency. 1 Hz means one cycle per second.
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| Effective Spring Constant | When multiple springs are combined, the effective spring constant describes the overall stiffness
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| Simple Pendulum | A mass (called a bob) suspended from a string or rod of fixed length that swings back and forth under the influence of gravity. It exhibits SHM for small angles.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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