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Gravitational Force
Attraction between two masses, affecting their motion.
Inertia
Tendency of an object to resist changes in motion.
Centripetal Force
Force directed towards the center of a circular path.
Vector
Quantity with both magnitude and direction.
Scalar
Quantity with only magnitude, no direction.
Centripetal Acceleration
Acceleration directed towards the center of circular motion.
Centripetal Force Formula
F = mv²/r, where m is mass.
Frictional Force
Force opposing motion between two surfaces.
Normal Force
Support force exerted by a surface perpendicular to an object.
Centripetal Force Dependency
Depends on mass, velocity, and radius of the circle.
Circular Motion
Movement of an object along a circular path.
Velocity Change in Circular Motion
Speed remains constant, direction continuously changes.
Doubling Velocity Effect
Increases centripetal force by a factor of four.
Mass and Gravitational Force
Gravitational force increases with mass increase.
Weight Variation with Distance
Weight decreases with increased distance from Earth's center.
Gravitational Force Formula
F = G(m₁m₂)/r², where G is gravitational constant.
Acceleration Calculation
a = v²/r for circular motion.
Distance Effect on Gravitational Force
Force decreases as distance between masses increases.
Earth's Gravitational Force
Approximately 9.8 m/s² at Earth's surface.
Weight at Different Heights
Weight changes based on distance from Earth's center.
Centripetal Force in Rides
Keeps riders pressed against the wall in circular motion.
Acceleration Direction in Turns
Acceleration is towards the center during turns.
Graph Interpretation
Analyzing segments to determine speed and motion.
Circular Track Speed
Speed varies inversely with radius for maximum friction.
Marble Experiment Conclusion
Centripetal force provided by the hoop during circular motion.
Planetary Mass Comparison
Mass affects gravitational force experienced on a planet.
Force Variation with Mass
Doubling one mass and tripling another increases force.
Radius and Weight Relationship
Weight increases as radius decreases, inversely proportional.
