Ch. 15 Flashcards
(34 cards)
You are given a graph of position versus time for the simple harmonic motion of a block-spring system. What would you change to shift the curve on the graph along the time axis?
Phase constant
You are given a graph of position versus time for the simple harmonic motion of a block-spring system. What would you change to change the range of the curve on the graph along the position axis?
Amplitude
You are given a graph of position versus time for the simple harmonic motion of a block-spring system. What would you change to change the spacing of the peaks of the curve on the graph?
Frequency
In an expression for simple harmonic motion of a spring-block system, what is the name of the argument of the sinusoidal function?
Phase
When the position of a block in simple harmonic motion on a spring is zero, what other quantity is also zero?
acceleration
How do you get the algebraic expression for the velocity of a block in SHM?
Take the derivative of the position function.
How do you get the algebraic expression for the acceleration of a block in SHM?
Take the derivative of the velocity function
When the acceleration of a block in simple harmonic motion on a spring is zero, what other quantity is also zero?
position
When a block in simple harmonic motion is at a point of extreme displacement, which parameter is zero?
velocity
A block is in simple harmonic motion on a spring. Where is the block when the magnitude of its velocity is greatest?
It is at the midpoint of its oscillation.
A block is in simple harmonic motion on a spring. Where is the block when the force on it is greatest in magnitude?
It is at the point of maximum displacement.
A block is in simple harmonic motion on a spring. Where is the block when its acceleration is greatest in magnitude?
It is at the point of maximum displacement.
In the simple harmonic motion of a block on a spring, which stays constant?
total energy
In the simple harmonic motion of a block on a spring, which is maximum at the point of maximum displacement?
potential energy
In the simple harmonic motion of a block on a spring, which is maximum at the point of zero displacement?
kinetic energy
In the simple harmonic motion of a block on a spring, where is the block when the kinetic energy is maximum?
It is at the midpoint of its oscillation.
In the simple harmonic motion of a block on a spring, where is the block when the potential energy is maximum?
It is at a point of maximum displacement.
In the simple harmonic motion of a block on a spring, as the potential energy is increasing, which of the following is true?
The kinetic energy is decreasing and the total energy is increasing.
The kinetic energy is increasing and the total energy is decreasing. The kinetic energy and the total energy are both decreasing. The kinetic energy is increasing and the total energy is constant. The kinetic energy is decreasing and the total energy is constant. The kinetic energy and the total energy are both increasing.
The kinetic energy is decreasing and the total energy is increasing.
The kinetic energy is increasing and the total energy is decreasing. The kinetic energy and the total energy are both decreasing. The kinetic energy is increasing and the total energy is constant. ---The kinetic energy is decreasing and the total energy is constant. The kinetic energy and the total energy are both increasing.
In the simple harmonic motion of a block on a spring, as the potential energy is decreasing, which of the following is true?
The kinetic energy is decreasing and the total energy is constant.
The kinetic energy is increasing and the total energy is constant. The kinetic energy and the total energy are both increasing. The kinetic energy and the total energy are both decreasing. The kinetic energy is increasing and the total energy is decreasing. The kinetic energy is decreasing and the total energy is increasing
The kinetic energy is decreasing and the total energy is constant.
The kinetic energy is increasing and the total energy is constant. --The kinetic energy and the total energy are both increasing. The kinetic energy and the total energy are both decreasing. The kinetic energy is increasing and the total energy is decreasing. The kinetic energy is decreasing and the total energy is increasing
In the simple harmonic motion of a block on a spring, as the kinetic energy is increasing, which of the following is true?
The potential energy is decreasing and the total energy is increasing.
The potential energy is increasing and the total energy is constant. The potential energy is decreasing and the total energy is constant. The potential energy and the total energy are both increasing. The potential energy and the total energy are both decreasing. The potential energy is increasing and the total energy is decreasing
The potential energy is decreasing and the total energy is increasing.
The potential energy is increasing and the total energy is constant. ---The potential energy is decreasing and the total energy is constant. The potential energy and the total energy are both increasing. The potential energy and the total energy are both decreasing. The potential energy is increasing and the total energy is decreasing
In angular simple harmonic motion, what is the restoring torque proportional to?
the negative of the angular displacement
In angular simple harmonic motion, if we increase the torsion constant, what happens to the period of oscillation?
decreases
In angular simple harmonic motion, if we increase the rotational inertia, what happens to the period of oscillation?
increases
In the swinging of a simple pendulum with string and a bob, which of the following tends to return the pendulum to the equilibrium position?
the component of the gravitational force that is perpendicular to the length of the pendulum
