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A set of practice flashcards covering circular motion, wave properties, magnetism, and circuitry based on the OnRamps Physics 1 final exam review.
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In a circular motion diagram, what do the arrows labeled F represent?
Centripetal force
In a circular motion diagram, what do the arrows labeled v represent?
The objects' velocity vectors
What happens to an object in circular motion if it is no longer subjected to the centripetal force (F)?
It will escape the circular path and continue in a straight trajectory.
If you were the object in a circular motion diagram, what direction of force would you feel?
A force pushing you outward.
Which types of waves listed in the review do not require a medium to travel?
Microwave, light, and electromagnetic waves.
What is the term for the "crest" of a longitudinal wave?
Compression
What is the term for the "trough" of a longitudinal wave?
Rarefaction
What occurs when two waves with opposite amplitudes interact?
Destructive interference
What is the purpose of setting the normal line at a 90o angle to the surface of a medium?
To provide a reference to create the angle of reflection or refraction.
True or False: An object's color is visible because its pigment absorbs its own color and reflects all other colors of the spectrum.
False
True or False: Magnetic flux is determined by the strength of magnetic field lines.
False
According to the lecture notes, what is the direction of the flow of electrons along magnetic field lines?
Always North to South
Which law is specifically used to determine the Electromotive Force (EMF)?
Faraday's Law
True or False: Iron or "ferrite" magnets are very strong and used for industrial purposes.
False
How are magnetic fields produced?
By the motion of electrical charges.
True or False: There are three electrical charges: positive, negative, and neutral.
False
True or False: Negative electrostatic charges come from losing electrons.
False
On what physical process does electrostatic charging depend?
The transfer of electrons.
What is the total resistance in ohms for a circuit containing resistors of 10,kΩ, 2,kΩ, and 1,kΩ?
13,000,Ω