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Learn about the principles of kinematics, including motion, distance, and displacement. Explore concepts like distance-time gradient, speed, velocity, and acceleration. Understand how to calculate distance, average speed, and describe motion accurately.
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Distance normally refers to the total distance an object moves during a particular journey. • Displacement refers to the distance from the starting point at a particular instant in time. We normally use s for displacement (which is pretty silly, since s looks like it should stand for speed, but doesn't).
In this graph the object is moving away I.e. increasing the distance with time at a constant rate.
This general graph represents the motion of a body travelling at constant velocity. The graph is linear (that is, a straight line).
Speed is how fast you are goingVelocity is how fast and in what direction