
Name: Date: Period: Study Guide for Quiz Directions: Answer each
... 8. When you want to jump from one building to another and clearing the jump nicely without getting hurt, which Newton’s law does this apply to? What are you building in order to clear the jump nicely (Hint: Starts with an M)? ...
... 8. When you want to jump from one building to another and clearing the jump nicely without getting hurt, which Newton’s law does this apply to? What are you building in order to clear the jump nicely (Hint: Starts with an M)? ...
Unit 5 Review
... 2)What happens to the acceleration of an object if the net force on it remains constant but the mass of the object is cut in half? ...
... 2)What happens to the acceleration of an object if the net force on it remains constant but the mass of the object is cut in half? ...
Forces
... Newton’s Law of Gravity • Gravity is the natural force that pulls one object toward another. The strength of this pull depends on the mass of the objects involved. • The pull is directly proportional to the masses of the objects and inversely proportional to the distance between the objects. ...
... Newton’s Law of Gravity • Gravity is the natural force that pulls one object toward another. The strength of this pull depends on the mass of the objects involved. • The pull is directly proportional to the masses of the objects and inversely proportional to the distance between the objects. ...
Net Force and Acceleration
... 7. Plot acceleration v. m/(M+m). The slope of this graph is your experimental value for “g”. This and the % error are the result for part A. Part B: Net force on an incline (downhill) 1. Place the wood block under the end of the air track farthest from the pulley. Calculate the angle of the air trac ...
... 7. Plot acceleration v. m/(M+m). The slope of this graph is your experimental value for “g”. This and the % error are the result for part A. Part B: Net force on an incline (downhill) 1. Place the wood block under the end of the air track farthest from the pulley. Calculate the angle of the air trac ...
Name: Date: ______ Period: ____
... 30. How is momentum conserved? Give an example. 31. How is momentum involved in Newton’s Third Law of Motion? 32. Explain why a ball moves in a straight line as it rolls across a table but follows a curved path once it rolls off the edge of a table. 33. Explain why results differ on the moon and on ...
... 30. How is momentum conserved? Give an example. 31. How is momentum involved in Newton’s Third Law of Motion? 32. Explain why a ball moves in a straight line as it rolls across a table but follows a curved path once it rolls off the edge of a table. 33. Explain why results differ on the moon and on ...
6, 19, 24, 37, 47 and 65
... sphere B along the line until its center-tocenter separation from C is d = 4.0 cm. How much work is done on sphere B (a) by you and (b) by the net gravitational force on B due to spheres A and C? Answer: (a) 0.50 pJ (b) ...
... sphere B along the line until its center-tocenter separation from C is d = 4.0 cm. How much work is done on sphere B (a) by you and (b) by the net gravitational force on B due to spheres A and C? Answer: (a) 0.50 pJ (b) ...
Cut squares along dotted line then fold in half to make flashcard
... The resistance encountered when one body is moved in contact with another. ...
... The resistance encountered when one body is moved in contact with another. ...
LecForChap4
... When a net external force F acts on an object of mass m, the acceleration a that results is directly proportional to the net force and has a magnitude that is inversely proportional to the mass. The direction of the acceleration is the same as the direction of the net force. ...
... When a net external force F acts on an object of mass m, the acceleration a that results is directly proportional to the net force and has a magnitude that is inversely proportional to the mass. The direction of the acceleration is the same as the direction of the net force. ...
Newton's Second Law of Motion
... acceleration. So, force causes acceleration. Now imagine, the same force is used to toss a softball into the air and to toss a bowling ball into the air. Which one will accelerate more? The one with the smaller mass accelerates more. This is essentially Newton’s Second Law. Newton’s Second Law of Mo ...
... acceleration. So, force causes acceleration. Now imagine, the same force is used to toss a softball into the air and to toss a bowling ball into the air. Which one will accelerate more? The one with the smaller mass accelerates more. This is essentially Newton’s Second Law. Newton’s Second Law of Mo ...
Ch-4-Lecture
... • Did not distinguish acceleration from velocity. • Believed that a heavy object would fall more quickly than a lighter object. • Earth-centered model of the solar system. ...
... • Did not distinguish acceleration from velocity. • Believed that a heavy object would fall more quickly than a lighter object. • Earth-centered model of the solar system. ...
What MSU Astronomers Will Do with the SOAR
... • Will measure Supernovae at still greater distances • Are they really “standard candles”? • Dimming by dust? • Luminosity evolution with lookback time? • Relationship between density and pressure of Dark Energy • Usual assumption: Einstein’s cosmological constant • But we don’t know… • Measuring th ...
... • Will measure Supernovae at still greater distances • Are they really “standard candles”? • Dimming by dust? • Luminosity evolution with lookback time? • Relationship between density and pressure of Dark Energy • Usual assumption: Einstein’s cosmological constant • But we don’t know… • Measuring th ...
06 Objectives
... 7. Choose two different objects and compare the sizes of their inertias. How are mass and inertia related? 8. Explain how Newton’s First Law applies to the following demonstrations and situations: a. Hoop and chalk b. Spinning raw and hard boiled eggs c. Penny and eraser on a card (fast and slow mot ...
... 7. Choose two different objects and compare the sizes of their inertias. How are mass and inertia related? 8. Explain how Newton’s First Law applies to the following demonstrations and situations: a. Hoop and chalk b. Spinning raw and hard boiled eggs c. Penny and eraser on a card (fast and slow mot ...
Honors Final Review
... 10. Law of conservation of energy 11. Momentum (definition and units) 12. Law of conservation of momentum 13. Impulse (definition and units) 14. Center of mass 15. Inelastic Collisions 16. Elastic Collisions 17. Force vs Time Graphs 18. Angular displacement 19. Angular velocity 20. Angular accelerat ...
... 10. Law of conservation of energy 11. Momentum (definition and units) 12. Law of conservation of momentum 13. Impulse (definition and units) 14. Center of mass 15. Inelastic Collisions 16. Elastic Collisions 17. Force vs Time Graphs 18. Angular displacement 19. Angular velocity 20. Angular accelerat ...
1201 Discussion Notes
... that these spirals have dark matter because there aren’t enough lightemitting stars to account for all of the mass that must be there to make the stars orbit about the galactic center the way they do. (Remember, we can calculate the amount of mass in a galaxy by using Newton’s version of Kepler’s t ...
... that these spirals have dark matter because there aren’t enough lightemitting stars to account for all of the mass that must be there to make the stars orbit about the galactic center the way they do. (Remember, we can calculate the amount of mass in a galaxy by using Newton’s version of Kepler’s t ...
How much force is required to inflate a high pressure
... During your travels through deep space you discover a new solar system. You land on the outermost planet and determine that the acceleration due to gravity is 2.7 m/s^2. If your mass back on Earth is 72 kg, what force would you exert on a scale in pounds while standing on the planet's surface? The ...
... During your travels through deep space you discover a new solar system. You land on the outermost planet and determine that the acceleration due to gravity is 2.7 m/s^2. If your mass back on Earth is 72 kg, what force would you exert on a scale in pounds while standing on the planet's surface? The ...
13800000000 Years Ago The First Sky
... Age of the Universe = 13800000000 Years Size of our Universe = 13800000000 Light Years = 100000000000000000000000 kilo-meters !!! ...
... Age of the Universe = 13800000000 Years Size of our Universe = 13800000000 Light Years = 100000000000000000000000 kilo-meters !!! ...
Name____________________________________________________________________ Astronomy Packet 3
... Deep in his journals Galileo mentions the movements of a faint star which we believe to be the first recorded observation of the planet which we now call ______________________. All of these observations put Galileo at odds with the __________ which charged him with ______________and eventually_____ ...
... Deep in his journals Galileo mentions the movements of a faint star which we believe to be the first recorded observation of the planet which we now call ______________________. All of these observations put Galileo at odds with the __________ which charged him with ______________and eventually_____ ...
Modified Newtonian dynamics

In physics, modified Newtonian dynamics (MOND) is a theory that proposes a modification of Newton's laws to account for observed properties of galaxies. Created in 1983 by Israeli physicist Mordehai Milgrom, the theory's original motivation was to explain the fact that the velocities of stars in galaxies were observed to be larger than expected based on Newtonian mechanics. Milgrom noted that this discrepancy could be resolved if the gravitational force experienced by a star in the outer regions of a galaxy was proportional to the square of its centripetal acceleration (as opposed to the centripetal acceleration itself, as in Newton's Second Law), or alternatively if gravitational force came to vary inversely with radius (as opposed to the inverse square of the radius, as in Newton's Law of Gravity). In MOND, violation of Newton's Laws occurs at extremely small accelerations, characteristic of galaxies yet far below anything typically encountered in the Solar System or on Earth.MOND is an example of a class of theories known as modified gravity, and is an alternative to the hypothesis that the dynamics of galaxies are determined by massive, invisible dark matter halos. Since Milgrom's original proposal, MOND has successfully predicted a variety of galactic phenomena that are difficult to understand from a dark matter perspective. However, MOND and its generalisations do not adequately account for observed properties of galaxy clusters, and no satisfactory cosmological model has been constructed from the theory.