Complete the following: 1-When the acceleration of a block is proportional to it
ID: 1865814 • Letter: C
Question
Complete the following:
1-When the acceleration of a block is proportional to its position, and the direction of the acceleration is opposite the direction of the displacement of the block from equilibrium. The block that behave in this way is said to exhibit……………………………………………..
2-The simple pendulum can be used as a timekeeper because its period depends only on the local value of gand its………………………………………………..
3-If a hanging object oscillates about a fixed axis that does not pass through its center of mass and the object cannot be approximated as a point mass, the system is called a ……………………….
4- When the frequency of the driving force is near the natural frequency of oscillation, the dramatic increase in amplitude near the natural frequency is called………………………………….
5- A traveling wave or pulse that causes the elements of the medium to move parallel to the direction of propagation is called a………………………………………………
6- When a wave or pulse travels from medium A to medium B and VA> VB(that is, when B is denser than A), it is …………………………………upon reflection
7- The rate of energy transfer in anysinusoidal wave is proportional to the square of …………………………………………………….…..and……………………………………………..
8- A sound wave may be described equally well in terms of either pressure or displacement, where the pressure wave is …………………………………………… with the displacement wave in terms of phase.
9- The change in frequency heard by an observer whenever there is relative motion between a source of sound waves and the observer is called………………………………………………………….
10- In a pipe open at both ends, the natural frequencies of oscillation form a harmonic series that includes all ………………………… multiples of the fundamental frequency.
Explanation / Answer
1.Simple Harmonic Motion
2.length
3.Physical Pendulum
4.Resonance
5.Longitudinal wave