PPT-Gravity: A Force of Attraction

Mr McMartin Beta Pod Science Question Have you ever seen a video of astronauts on the moon They bounce around like beach balls even though they wear big bulky spacesuits Why is leaping on the moon easier than leaping on earth. Universal gravitational constant G667 x 10 11 Nm kg 2 2 EPS 122 Lecture 14 Gravity and isostasy Theory of gravity Gravitational potential Definition The gravitational potential V due to a point mass m at a distance r from m is the work done by th A Brief Timeline of the . Discovery of Gravity. Aristotle. There . is . no effect or motion without a cause. . . The element of earth was thought to be heavy by nature and therefore pulled towards the centre of the (geocentric) universe.. Big Science: Big Telescopes. Jodrell Bank Discovery Centre. Contents. Part 1: Gravity on Earth. Mass or weight?. The strength of Earth’s gravity. Part 2: Big Telescopes. How do we see space?. Part 3: Gravity in Space. Einstein and Newton. 1. Newtonian Gravity. Newton explains the universe using forces. 2. Newton. Newtonian gravitational theory is based on forces acting on one another.. An object at rest stays at rest and an object in motion stays in motion (in a straight line) until acted upon by another force.. . Chapter 11. David Myers. Attraction and Intimacy. What leads to friendship and attraction?. What is Love?. What enables close relationships?. How do relationships end?. Friendship and Attraction. What influences liking and love?. EQ: What changes an object’s motion?. Friction and Gravity. What happens when you jump on a sled on the side of a snow-covered hill?. What happens at the bottom of the hill?. Friction and Gravity. Why does the sled’s motion change on the side of the hill and then again at the bottom?. County of Wellington. Immigration Connection Conference . March 13, 2015. Wellington County. 90,000 population. 7 rural municipalities. Guelph separate. 2,600km2. 78% business <10 employees. agriculture, manufacturing, health care, creative professional. Newton’s Law of Universal Gravitation. Newton Did not discover gravity, but he did discover gravity was universal. In other words, everything pulls on everything else.. States:. Every object attracts every other object with a force that for any two objects is directly proportional to the mass of each object, and indirectly proportional to the distance between them.. Honors Physics . Zero Gravity Cats!. Universal Gravitation. ALL. objects attract each other with a force of gravitational attraction. Gravity is universal. . This . force of gravitational attraction is directly dependent upon the masses of both objects and inversely proportional to the square of the distance that separates their centers. . When we talk about interpersonal attraction in social psychology, we are using the term broadly to refer to everything from friendship and admiration to lust and love. . → three key factors influencing attraction of all types are proximity, attractiveness, and similarity. Astronomy, Chapter 2. D Taylor. © 2011, 2012, 2013,2014. Gravity and Motion. 2. Introduction. Gravity. gives the Universe its structure. It is a universal force that causes all objects to pull on all other objects everywhere. An Invisible Force. Gravity. Every object pulls on every other object with an invisible force called . gravity. .. There is . gravity. between you and your toy car, but you won’t notice it because it is so weak.. What celestial object is attracted to the Earth?. The Moon. What celestial object is the Earth attracted to?. The Sun. Effect of the moon on the Earth. The Moon’s gravity also pulls on the Earth, but because the Earth is solid, it doesn’t seem to respond.. Forces & Gravity. Notes. Write down the words in yellow.. The words in white are discussion points, you may write these down, but are not required.. Gravity. Gravity is a . force. that pulls objects toward each other..