Define average velocity and average acceleration. How does a smart pulley work
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Average velocity: It can be defined as ratio of net displacement and total time.
⇒Avg v = d/t
Average acceleration: It is the ratio of change in velocity and elapsed time for an interval.
⇒Avg a = Δv/Δt
A smart pulley is used to measure average velocity and acceleration of a moving object. It has a photogate and smart pulley attachment. The photogate has narrow beam of infrared which when blocked between the source and the detector, produces low output and LED on it glows. It has a very fast response time.
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