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This guide explores the concepts of negative velocity and motionless objects using position-time graphs. We explain that a straight line indicates no slope, signifying motionlessness, where the object's position remains constant over time. It includes velocity-time graphs showing constant negative velocity when an object is returning to its reference point. A motionless object has a velocity of 0 m/s, while a negative velocity indicates movement away from the reference point. Through these graphs, we aim to clarify these fundamental principles of motion.
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Position-Time Graph: Motionless • If the line is straight then there is no slope • No speed it is motionless • The distance stays the same as time goes by because it is not moving. (1,50) (9,50) 0 50-50 0 m/s = = Y= 9-1 8
velocity time Velocity Time Graph: Motionless 0m/ s
Motion Graph: Motionless 20 m 30 m 40 m 10 m 50 m
Negative Velocity • Object is moving at a constant velocity • Returning back to the reference point (1,70) (9,10) -60 10-70 = = -7.5 m/s Y= 9-1 8
velocity time Velocity Time Graph: Negative 7.5 m/ s
Motion Graph: Motionless 20 m 30 m 40 m 10 m 50 m
