
Fall Final Review
Flashcard
•
Physics
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is centripetal acceleration?
Back
Centripetal acceleration is the acceleration directed towards the center of a circular path, necessary for an object to maintain circular motion. It can be calculated using the formula: a_c = v^2 / r, where v is the tangential velocity and r is the radius of the circular path.
2.
FLASHCARD QUESTION
Front
How do you calculate centripetal acceleration given tangential velocity and radius?
Back
Centripetal acceleration (a_c) can be calculated using the formula: a_c = v^2 / r, where v is the tangential velocity and r is the radius of the circular path.
3.
FLASHCARD QUESTION
Front
What is the formula for gravitational force?
Back
The gravitational force (F) between two masses can be calculated using Newton's law of universal gravitation: F = G * (m1 * m2) / r^2, where G is the gravitational constant, m1 and m2 are the masses, and r is the distance between the centers of the two masses.
4.
FLASHCARD QUESTION
Front
What is the value of gravitational force on Earth for a mass of 2.5 kg?
Back
The gravitational force on Earth can be calculated using F = m * g, where g is approximately 9.8 m/s². For a 2.5 kg mass, F = 2.5 kg * 9.8 m/s² = 24.5 N, which can be rounded to 25 N.
5.
FLASHCARD QUESTION
Front
What is tension force?
Back
Tension force is the force exerted by a string, rope, or cable when it is pulled tight by forces acting from opposite ends.
6.
FLASHCARD QUESTION
Front
What is friction force?
Back
Friction force is the resistive force that opposes the motion of an object when it is in contact with another surface.
7.
FLASHCARD QUESTION
Front
What happens to gravitational force if one mass is doubled?
Back
If one mass in the gravitational force equation is doubled, the gravitational force between the two masses also doubles, assuming the distance remains constant.
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