Curated OER
Unit VIII: Worksheet 3 - Central Force
Beginning physicists imagine being aerospace engineers by solving seven centripetal force problems. They calculate the work, speed, time, and acceleration of objects in orbit: a satellite around Earth, and Earth around the sun. This is a...
Curated OER
Unit VIII Worksheet 5: Circular Motion
Seven problems send physics stars out of this world! Challenge learners to calculate centripetal force, time to complete revolutions, circular speed, and acceleration. They also are asked to explain scenarios and draw a force diagram for...
Teach Engineering
Accelerometer: Centripetal Acceleration
Scholars build robotic arms that swing back and forth and use them to collect velocity and acceleration data. To analyze the results, pupils compare data to the equations for angular velocity and centripetal acceleration.
Curated OER
Angular Momentum (Automaticity)
Second graders experience practicing with a wide variety of vocabulary terms that relate to the Vista/Module "Angular Momentum:" momentum, inertia, force; motion, direction, centripetal force; angular momentum, gyroscope, resist. They...
CK-12 Foundation
Newton's Cannon
Gravity does more than keep our feet on the ground — it holds a satellite in orbit, too. Help learners understand the effects of gravity on an orbiting object through a simulation activity. Individuals adjust a launch speed and watch as...
CK-12 Foundation
Clarke's Dream
How does satellite TV keep a steady stream when the earth and the satellite are constantly moving? Scholars use a simulator to adjust the radius of orbit of a satellite around the earth. They view graphs of acceleration and time period...
Curated OER
Action-Reaction! Rocket
Students construct a rocket from a balloon propelled along a guide string. They use this model to learn about Newton's three laws of motion, examining the effect of different forces on the motion of the rocket. They measure the distance...
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Centripetal Force
Through illustrated examples and practice problems, students explore the centripetal force requirement. So for an object moving in a circle, there must be an inward force acting upon it in order to cause its inward acceleration.
Physics Classroom
The Physics Classroom: Circular, Satellite, Rotational: Inertia Right Hand Turn
Many students of physics do not believe in centripetal/inward forces. Even after completion of a thorough physics course, such students will still incorrectly believe that an object moving in a circle experiences an outward force. Use...
Physics Classroom
The Physics Classroom: Circular, Satellite, Rotational: Roller Coaster G Forces
Roller coaster rides are notorious for creating accelerations and g-forces. The magnitude and direction of normal force and gravity during the motion through a coaster's loop are depicted this animation.
Physics Classroom
The Physics Classroom: Circular Motion Principles for Satellites
From The Physics Classroom. Uses easy- to-understand language to discuss how circular motion principles apply to the motion of satellites. Describes the tangential velocity and centripetal acceleration of a satellite. Includes many...
Physics Classroom
The Physics Classroom: Mathematics of Satellite Motion
The mathematics associated with the motion of satellites is described. Equations (for period, velocity, acceleration and force) are stated, symbols described, and sample problems solved. Includes five practice problems with solutions and...
Physics Classroom
The Physics Classroom: Satellite Motion
An animation depicting the path of projectiles launched at various launch speeds from the fictional Newton's Mountain. Accompanying text discusses satellite motion and the requirements of orbital motion. Links to further information is...
Physics Classroom
The Physics Classroom: Energy Relationships for Satellites
The orbits of satellites are described and an energy analysis is performed. Kinetic, potential and total mechanical energy are explained and applied to the motion of satellites.
Physics Classroom
The Physics Classroom: Circular, Satellite, Rotational: Uniform Circular Motion
Uniform circular motion can be described as the motion of an object in a circle at a constant speed. This animation depicts this by means of a vector arrow.
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Amusement Park Physics
In this interactive module, students explore the centripetal acceleration experienced by riders within the circular-shaped sections of a roller coaster track.
Georgia State University
Georgia State University: Hyper Physics: Earth Orbit Velocity
A discussion and statement of an equation for orbital speed. An interactive JavaScript form allows the user to investigate the relationship between orbital height and orbital speed. A very good opportunity to practice and receive...
Physics Classroom
The Physics Classroom: Circular and Satellite Motion: Newton's 2nd Law Revisited
In this interactive module, students use free-body diagrams, Newton's second law equation, and circular motion concepts to analyze a variety of physical situations involving the motion of objects in circles or along curved paths.
NASA
Nasa: Kepler's Second Law
This site from NASA states Kepler's second law of planetary motion and depicts its meaning with an informative diagram. Relates the law to conservation of energy principles and discusses the eccentricity of a satellite's (or a planet's)...
NASA
Nasa: Kepler and His Laws
This site from NASA provides biographical details about the lives of Tycho Brahe and Johannes Kepler. Discusses Kepler's successes at developing laws of planeatry motion. States the three laws and discusses each one individually....
Physics Classroom
The Physics Classroom: Kepler's Three Laws
The three laws of planetary motion as described by Kepler are stated and elaborated upon. Useful graphics and an easy-to-understand language are used to explain the nature of planetary motion. Both conceptual and mathematical. Includes a...
Georgia State University
Georgia State University: Hyper Physics: Circular Orbit
The necessity of gravitation to a circular orbit is discussed and equations for the orbital speed are derived from the law of universal gravitation. Binary systems in which two objects orbit about a center of mass are explained and...
NASA
Nasa: Kepler's Third Law
This site from NASA states Kepler's third law of motion and extends it to develop an equation for the velocity of an orbiting planet.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Paper Mache Solar System
This site from the Illinois Institute of Technology provides a set of directions for the creation of a solar system model out of paper mache. Includes orbital distances and planet diameters for the nine planets. Great idea for a student...