P3, Circular Motion 0.0 / 5 ? PhysicsForces and MotionGCSEAQA Created by: emmajane_Created on: 05-05-14 09:44 Name 3 things that use circular motion The Earth orbiting the sun, hammer throw and some fairground rides 1 of 7 What is needed to act on an object to go round in the circle? A resultant force, called centripetal force 2 of 7 What does centripetal force do? Pulls an object towards the centre of the circle 3 of 7 What is centripetal force in space called? Gravity 4 of 7 What is the velocity like in circular motion and why? It's always changing because the object is always changing direction 5 of 7 What is the result of the velocity always changing? The object accelerates 6 of 7 Name 3 factors affecting centripetal force 1. The mass of the object increasing 2.The speed of the object increasing 3. The radius decreasing 7 of 7
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