Newton`s Laws - Ipod Physics
... Friction A force that resists the motion between two objects in contact with one another ...
... Friction A force that resists the motion between two objects in contact with one another ...
Chapter 4 Problems
... (a) What is the magnitude of the resultant force acting on it? (b) If this same force is applied to a 4.0-kg object, what acceleration is produced? 2. A football punter accelerates a football from rest to a speed of 10 m/s during the time in which his toe is in contact with the ball (about 0.20 s). ...
... (a) What is the magnitude of the resultant force acting on it? (b) If this same force is applied to a 4.0-kg object, what acceleration is produced? 2. A football punter accelerates a football from rest to a speed of 10 m/s during the time in which his toe is in contact with the ball (about 0.20 s). ...
Exercises
... is a vector scaled so that 1 cm = 10 m/s. Circle the letter of the statement that best describes the vector. a. 3 cm to the right b. 30 m/s to the right c. to the right d. 60 km/h to the right 11. An airplane flies in the same direction as the wind. Is the following sentence true or false? The veloc ...
... is a vector scaled so that 1 cm = 10 m/s. Circle the letter of the statement that best describes the vector. a. 3 cm to the right b. 30 m/s to the right c. to the right d. 60 km/h to the right 11. An airplane flies in the same direction as the wind. Is the following sentence true or false? The veloc ...
Physics 207: Lecture 2 Notes
... T4 Assume the pulleys are massless and frictionless. T1 Assume the rope is massless. T3 T2 The action of a massless frictionless pulley is to change the direction of a T5 F tension. M Here F = T1 = T2 = T3 Equilibrium means S F = 0 for x, y & z For example: y-dir ma = 0 = T2 + T3 – T5 and ma = 0 ...
... T4 Assume the pulleys are massless and frictionless. T1 Assume the rope is massless. T3 T2 The action of a massless frictionless pulley is to change the direction of a T5 F tension. M Here F = T1 = T2 = T3 Equilibrium means S F = 0 for x, y & z For example: y-dir ma = 0 = T2 + T3 – T5 and ma = 0 ...
Momentum - USU Physics
... motion (using Newton’s 3rd law), but now we can use conservation of momentum to determine their velocities… Example: Initial momentum = 0 Thus: total momentum after “push off” = 0 The momentum of each person must therefore be equal but opposite in direction and P2 = -P1. But, as P1 = m1.v1 and P2 = ...
... motion (using Newton’s 3rd law), but now we can use conservation of momentum to determine their velocities… Example: Initial momentum = 0 Thus: total momentum after “push off” = 0 The momentum of each person must therefore be equal but opposite in direction and P2 = -P1. But, as P1 = m1.v1 and P2 = ...
Forces - Cloudfront.net
... Solution: The scale is designed to measure a force. The scale does not measure the weight of the person, rather the force exerted upwards on the person to support them. In other words, the scale measures the normal force acting on the person. When the person is at rest, the normal force equals the w ...
... Solution: The scale is designed to measure a force. The scale does not measure the weight of the person, rather the force exerted upwards on the person to support them. In other words, the scale measures the normal force acting on the person. When the person is at rest, the normal force equals the w ...
Shock and Acceleration Theory
... Updated 4-20-07 This force applied over a time interval is called impulse, I, and equals the change in momentum during that time interval. Since impulse only depends on velocity and mass, and is independent of the impact surface, the impulse (area under the force-time curve) will be constant (for a ...
... Updated 4-20-07 This force applied over a time interval is called impulse, I, and equals the change in momentum during that time interval. Since impulse only depends on velocity and mass, and is independent of the impact surface, the impulse (area under the force-time curve) will be constant (for a ...
Lecture 18
... Dealing with Error Creep Classic solution: reduce the time step Δt Up the frame rate (not necessarily good) Perform more than one step per frame Each Euler step is called an iteration ...
... Dealing with Error Creep Classic solution: reduce the time step Δt Up the frame rate (not necessarily good) Perform more than one step per frame Each Euler step is called an iteration ...
Conceptual Review
... Gravitational PE is mgh, where height h is measured relative to some arbitrary reference level where PE = 0. For example, a book on a table has positive PE if the zero reference level is chosen to be the floor. However, if the ceiling is the zero level, then the book has negative PE on the table. It ...
... Gravitational PE is mgh, where height h is measured relative to some arbitrary reference level where PE = 0. For example, a book on a table has positive PE if the zero reference level is chosen to be the floor. However, if the ceiling is the zero level, then the book has negative PE on the table. It ...
Bab 4
... Suppose you are talking by interplanetary telephone to your friend, who lives on the Moon. He tells you that he has just won a newton of gold in a contest. Excitedly, you tell him that you entered the Earth version of the same contest and also won a newton of gold! Who is richer? ...
... Suppose you are talking by interplanetary telephone to your friend, who lives on the Moon. He tells you that he has just won a newton of gold in a contest. Excitedly, you tell him that you entered the Earth version of the same contest and also won a newton of gold! Who is richer? ...
Momentum - Net Start Class
... Newton's Cradle demonstration Collisions and Impulse In a collision of two ordinary objects, both objects are deformed. When the collision occurs, the force jumps from zero at the moment of contact to a very large quantity and back to zero. This occurs over a very brief instant of time. Impulse is u ...
... Newton's Cradle demonstration Collisions and Impulse In a collision of two ordinary objects, both objects are deformed. When the collision occurs, the force jumps from zero at the moment of contact to a very large quantity and back to zero. This occurs over a very brief instant of time. Impulse is u ...
Seesaws 9 Balanced Seesaw
... A body at rest tends to remain at rest A body that’s rotating tends to keep rotating ...
... A body at rest tends to remain at rest A body that’s rotating tends to keep rotating ...
Chapter 3 Impulse
... moment, and it is called the moment of force about a pivot. Note: If the net force (or moment in this case) is zero, then it leads directly to the law of conservation of angular momentum. ...
... moment, and it is called the moment of force about a pivot. Note: If the net force (or moment in this case) is zero, then it leads directly to the law of conservation of angular momentum. ...
Part23 - FacStaff Home Page for CBU
... We simply keep this process up until x becomes zero. Normally this would be a lot of steps, but we can use either a computer program to do this or a spreadsheet. We can then plot the graph of either v versus t or x versus t to see what the motion looks like. (See the Excel spreadsheet FallAR.xls whi ...
... We simply keep this process up until x becomes zero. Normally this would be a lot of steps, but we can use either a computer program to do this or a spreadsheet. We can then plot the graph of either v versus t or x versus t to see what the motion looks like. (See the Excel spreadsheet FallAR.xls whi ...
Preview Sample 1
... ANS: The maximum kinetic energy occurs at the point where the ball is moving fastest, namely right after it leaves Larissa’s hand and right before she catches it. The minimum kinetic energy will occur when the ball is moving slowest – right at the top of the path where it instantaneously stops. c. M ...
... ANS: The maximum kinetic energy occurs at the point where the ball is moving fastest, namely right after it leaves Larissa’s hand and right before she catches it. The minimum kinetic energy will occur when the ball is moving slowest – right at the top of the path where it instantaneously stops. c. M ...
Centripetal Acceleration and Centripetal Force
... Circular Motion • When an object moves in a circle at constant speed, we describe it as undergoing uniform circular motion. • Its speed is constant, but its velocity is not because velocity includes direction and the object’s direction is clearly changing. ...
... Circular Motion • When an object moves in a circle at constant speed, we describe it as undergoing uniform circular motion. • Its speed is constant, but its velocity is not because velocity includes direction and the object’s direction is clearly changing. ...
chapter 7
... The Third Law is the fundamental principle behind the motion of a rocket. The Third Law is a statement of the conservation of momentum. Momentum is the quantity of an object that is its mass multiplied by its velocity. This quantity, like energy, must be conserved (cannot be changed in quantity) by ...
... The Third Law is the fundamental principle behind the motion of a rocket. The Third Law is a statement of the conservation of momentum. Momentum is the quantity of an object that is its mass multiplied by its velocity. This quantity, like energy, must be conserved (cannot be changed in quantity) by ...