CAPA
... Indicate whether the following statements are always true or can be false. (Select T-True, F-False. If the first is F and the rest T, enter FTTTTT). A) If two objects have the same acceleration, they are under the influence of equal forces. B) If an object's speed does not change, no net force is ac ...
... Indicate whether the following statements are always true or can be false. (Select T-True, F-False. If the first is F and the rest T, enter FTTTTT). A) If two objects have the same acceleration, they are under the influence of equal forces. B) If an object's speed does not change, no net force is ac ...
Simple Harmonic Motion and Elastic Energy
... a popgun can provide energy to a pellet and shoot it from the gun. Even a simple slingshot uses the elastic energy stored in a rubber band to shoot it projectile. When two balls collide it is as if a spring is between the balls. During the collision, the spring is compressed and eventually the sprin ...
... a popgun can provide energy to a pellet and shoot it from the gun. Even a simple slingshot uses the elastic energy stored in a rubber band to shoot it projectile. When two balls collide it is as if a spring is between the balls. During the collision, the spring is compressed and eventually the sprin ...
How? – Use a Note-taking System
... Your objective is to capture on paper the main facts and ideas so that you can study them thoroughly. Divide an A4 page into a narrow (5 cm) left hand “recall” column and a wide right hand “notes” column. You may also want to leave a margin at the bottom of the page where you can write a one or two ...
... Your objective is to capture on paper the main facts and ideas so that you can study them thoroughly. Divide an A4 page into a narrow (5 cm) left hand “recall” column and a wide right hand “notes” column. You may also want to leave a margin at the bottom of the page where you can write a one or two ...
Newton`s Laws
... Collisions with connected objects – when two objects collide and become connected as a result of that collision, ½ of the momentum of the moving object is transferred to the nonmoving object when they connect making the total momentum stay the same. ...
... Collisions with connected objects – when two objects collide and become connected as a result of that collision, ½ of the momentum of the moving object is transferred to the nonmoving object when they connect making the total momentum stay the same. ...
Thursday, June 9, 2005
... Resistive force exerted on a moving object due to viscosity or other types of frictional properties of the medium in, or surface on, which the object moves. These forces are either proportional to the velocity or the normal force. Force of static friction, fs: The resistive force exerted on the obje ...
... Resistive force exerted on a moving object due to viscosity or other types of frictional properties of the medium in, or surface on, which the object moves. These forces are either proportional to the velocity or the normal force. Force of static friction, fs: The resistive force exerted on the obje ...
here - Physics
... Because the bob does not move vertically up or down, we can conclude that Fy = 0 N. Therefore, the vertical component of the tension force must cancel the gravitational force: Ty = Fg = 4.9 N. When the bob swings in a circular path as shown above, a component of the tension points towards the center ...
... Because the bob does not move vertically up or down, we can conclude that Fy = 0 N. Therefore, the vertical component of the tension force must cancel the gravitational force: Ty = Fg = 4.9 N. When the bob swings in a circular path as shown above, a component of the tension points towards the center ...
Dimensions, Quantities and Units
... a force of 1 N acting over an area of 1 m2 . Note that standard atmospheric pressure is 1.01325 × 105 Pa. There are many non-SI units with which it is necessary to become familiar; the bar is equal to 105 Pa and finds use particularly for pressures exceeding atmospheric pressure. A pressure can be e ...
... a force of 1 N acting over an area of 1 m2 . Note that standard atmospheric pressure is 1.01325 × 105 Pa. There are many non-SI units with which it is necessary to become familiar; the bar is equal to 105 Pa and finds use particularly for pressures exceeding atmospheric pressure. A pressure can be e ...
dynamics - moorsscience
... involves the electrostatic forces between atoms or molecules where the surfaces are in contact. There are two types of friction. Static friction (Fs) occurs when an object is stationary while kinetic friction (Fk) occurs when an object is moving. There are different types of friction such as sliding ...
... involves the electrostatic forces between atoms or molecules where the surfaces are in contact. There are two types of friction. Static friction (Fs) occurs when an object is stationary while kinetic friction (Fk) occurs when an object is moving. There are different types of friction such as sliding ...
AP Physics C I.E - Midway ISD / Home Page
... on the ramp at a vertical height of 1.20 m. a) What is the speed of the ball at the bottom of the ramp? b) What is the magnitude and direction of the frictional force on the ball? ...
... on the ramp at a vertical height of 1.20 m. a) What is the speed of the ball at the bottom of the ramp? b) What is the magnitude and direction of the frictional force on the ball? ...
Newton`s Laws of Motion
... The equal and opposite forces between two objects are often called force pairs. An example of a force pair occurs when a person pushes against a wall. The person applies a force to the wall (Fperson on wall) and the wall applies a force equal in magnitude, but opposite in direction, to the person (F ...
... The equal and opposite forces between two objects are often called force pairs. An example of a force pair occurs when a person pushes against a wall. The person applies a force to the wall (Fperson on wall) and the wall applies a force equal in magnitude, but opposite in direction, to the person (F ...
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Laws - Home [www.petoskeyschools.org]
... 11) If we double the mass of an object in motion, what would happen to its acceleration? Doubling the mass will divide the acceleration by two 12) If we apply three times the force to an object as the original force applied, what would happen to the object’s acceleration? Multiplying the force by 3 ...
... 11) If we double the mass of an object in motion, what would happen to its acceleration? Doubling the mass will divide the acceleration by two 12) If we apply three times the force to an object as the original force applied, what would happen to the object’s acceleration? Multiplying the force by 3 ...
Friction - Hicksville Public Schools / Homepage
... Distance - length between two points increase mass ~ increase gravity increase distance ~ decrease gravity ...
... Distance - length between two points increase mass ~ increase gravity increase distance ~ decrease gravity ...
Giancoli, PHYSICS,6/E
... •An inclined plane exerts a normal force FN which is perpendicular to the surface. •There may also be a frictional force which opposes the motion. •It should also be noted that the angle between the weight and the normal is the same as the angle of the incline . Module 10 - 5 ...
... •An inclined plane exerts a normal force FN which is perpendicular to the surface. •There may also be a frictional force which opposes the motion. •It should also be noted that the angle between the weight and the normal is the same as the angle of the incline . Module 10 - 5 ...
Final review - Physics and Astronomy
... R* =The rate of formation of stars suitable for the development of intelligent life. fp = The fraction of those stars with planetary systems. ne = The number of planets, per solar system, with an environment suitable for life. fl = The fraction of suitable planets on which life actually appears. fi ...
... R* =The rate of formation of stars suitable for the development of intelligent life. fp = The fraction of those stars with planetary systems. ne = The number of planets, per solar system, with an environment suitable for life. fl = The fraction of suitable planets on which life actually appears. fi ...
Comprehensive Final Exam Review 2014
... 9. Describe the system used for showing current or magnetic fields that come out and go into a page. 10. Two unlike charges, q1 and q2, exert a force on each other. Find the ratio of F1 over F2 if q1 is tripled, q2 is doubled and the distance between them is increased by a factor of 6. 11. Describe ...
... 9. Describe the system used for showing current or magnetic fields that come out and go into a page. 10. Two unlike charges, q1 and q2, exert a force on each other. Find the ratio of F1 over F2 if q1 is tripled, q2 is doubled and the distance between them is increased by a factor of 6. 11. Describe ...
Concept Questions
... Step 1: Draw free body force diagrams for each object and indicate the point of application of each force Step 2: Select point to compute torque about (generally select center of ...
... Step 1: Draw free body force diagrams for each object and indicate the point of application of each force Step 2: Select point to compute torque about (generally select center of ...
Four Basic Forces
... Friction is the resistance that an object experiences when moving. Caused by a rough surface. Object on a rough surface actually has to move up and down because the two rough surfaces catch on each other. Because energy is used to move the moving object up and down, less energy is used to move the m ...
... Friction is the resistance that an object experiences when moving. Caused by a rough surface. Object on a rough surface actually has to move up and down because the two rough surfaces catch on each other. Because energy is used to move the moving object up and down, less energy is used to move the m ...
Concept Question: Rotating Rod
... When making a turn every car has a tendency to roll over because its center of mass is above the plane where the wheels contact the road. ...
... When making a turn every car has a tendency to roll over because its center of mass is above the plane where the wheels contact the road. ...
Slide 1
... the normal force FN, gravity g, and the frictional force Ffr. • The normal force FN is always perpendicular to the surface. • The friction force Ffr is parallel to the surface. • The gravitational force g points straight down. If the object is at rest, the forces are the same except that we use the ...
... the normal force FN, gravity g, and the frictional force Ffr. • The normal force FN is always perpendicular to the surface. • The friction force Ffr is parallel to the surface. • The gravitational force g points straight down. If the object is at rest, the forces are the same except that we use the ...
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.