Description
114110-W012
1080*750*650cm
Children Water Games Playground Pool Slide
The slides in the children ’s water park are very fun. When the children slide down from top, there is a continuous stream of water on the slides.
1. The slide in the children ’s water park is very fun. When the child slides down from above, a stream of water continuously flows down the slide, so that the child ’s buttocks are not scratched. Please answer the following questions from the perspective of energy conversion:
(1) When children slide down the slide, what form of energy conversion is considered from the perspective of mechanical energy conversion?
When sliding down, gravity energy can be converted into kinetic energy.
(2) When children slide down the slide, does the mechanical energy remain the same? Why?
When sliding down, the potential energy becomes smaller and smaller, and the kinetic energy becomes larger and larger. Because the height is getting lower and lower, the resistance is relatively small.
(3) Why does the water continuously flow down the slide to prevent the hip injury of children?
The friction between the hip and the slide will consume kinetic energy to generate heat. The purpose of continuous flushing is that one can offset this heat through heat transfer and play a role in reducing the temperature of the plate; the other is to use water to reduce the resistance of the right slideway and play a lubricating role.
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