PPT-Centripetal Force

Equations Academic Vocabulary Centripetal force Centripetal acceleration Circular motion Tangential velocity Inverse square law Gravitational constant Universal gravitational force Weightlessness. Chapter 8 Sections 8.1-8.3:. Dynamics in Two Dimensions . Dynamics of Uniform Circular . Motion. . Banked Curves. Orbits. PHY131H1F. - Class 13. Harlow’s Last Class . this semester . . . and . Centripetal Force. Acceleration. Speeding up. Slowing down. Changing direction. . Think of spinning an object on the end of a string. How would you describe it to someone?. The easiest thing to say is that it moves in the shape of a circle.. Circular motion. We will be looking at a special case of kinematics and dynamics of objects in uniform circular motion (constant speed). Cars on a circular track (or on a curved road). Roller coasters in loop. 2.4.1 Draw a vector diagram to illustrate that the acceleration of a particle moving with constant speed in a circle is directed towards the centre of the circle.. 2.4.2 Apply the expression for centripetal acceleration. . Presenter: . Hallie. . Hundemer. -Booth. Student Achievement Partners. ELA/Literacy: 3 shifts. Building knowledge . through . content-rich nonfiction. . Reading, writing, and speaking grounded in . Angular Measure, Angular Speed,. and Angular Velocity. Bellwork. . 1. A tube is been placed upon the 1 m-high table and shaped into a three-quarters circle. A golf ball is pushed into the tube at one end at high speed. The ball rolls through the tube and exits at the opposite end. Describe the path of the golf ball as it exits the tube.. This one’s going to be quick. Uniform Circular Motion. Uniform Circular Motion = an object following a circular path AT CONSTANT SPEED.. Why can we not say “at constant velocity”?. Definition: . Physics. Turning:. Turning counts as a form of acceleration because the direction of the velocity vector changes.. Turning requires a force that is perpendicular to the current motion of an object.. 5.3 Centripetal Force. From . Newton’s 2. nd. Law . we know that whenever an object accelerates, there must be a net force acting on the object to create the acceleration.. The net force causing centripetal acceleration is called . Uniform circular motion and Universal Gravitation. Centripetal Acceleration & Force. Centripetal Acceleration & Force. This unit we will investigate the special case of kinematics and dynamics of objects in . Calculate angular speed in radians per second.. Calculate linear speed from angular speed and vice-versa.. Describe and calculate centripetal forces and accelerations. .. Motion . in Circles. We say an object . in Circular Motion (cont.). © 2015 Pearson Education, Inc.. Centrifugal Force?. If you are a passenger in a car that turns a corner quickly, it is the force of the car door, pushing inward toward the center of the curve, that causes you to turn the corner.. Uniform Circular motion. For an object moving on a circle at constant speed. The . speed is constant. , but the . direction is not. Acceleration is a change in velocity, but speed is constant. The change in velocity is only in its direction. They contain important ideas and questions from your reading. . Due to time constraints, I was probably not able to show all the slides during class. . T. hey are all posted here for completeness..