Homework #10

Flashcard
•
Physics
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Centripetal force is...
Back
the inward force acting on a body moving at constant speed in a circle.
2.
FLASHCARD QUESTION
Front
What are the units on the coefficient of friction?
Back
none.
3.
FLASHCARD QUESTION
Front
If a ball thrown straight up into the air takes 4 seconds to reach the top (peak), how long will it take to travel from the peak back to the original position?
Back
4 seconds.
4.
FLASHCARD QUESTION
Front
The time taken for one complete circuit is called the...
Back
Period.
5.
FLASHCARD QUESTION
Front
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them. This demonstrates which of Newton's Laws?
Back
Newton's 1st Law.
6.
FLASHCARD QUESTION
Front
What is the formula for centripetal acceleration?
Back
a_c = v^2 / r, where v is the velocity and r is the radius.
7.
FLASHCARD QUESTION
Front
Define frequency in the context of circular motion.
Back
Frequency is the number of complete cycles or revolutions per unit time.
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