| Category | Format | Size |
|---|---|---|
| Science Edition for Sixth Grade Science Volume 1 | pptx | 6 MB |
"Pulley Block" Tools and Machinery PPT Courseware 2
Description
"Pulley Block" Tools and Machinery PPT Courseware 2
fixed pulley
Rotate, stay still
Can't save effort
Can change the direction of force
moving pulley
rotation, positional movement
Can save effort
Cannot change the direction of force
Challenge activity one:
Choose any connection method, assemble a simple pulley block with a fixed pulley and a movable pulley, and study the function of the pulley block.
Challenge activity two:
Use multiple fixed pulleys and multiple fixed pulleys to assemble a pulley block and continue to study the function of the pulley block.
Think about it:
Doesn’t the more sets of pulleys save more effort?
(One fixed pulley and one movable pulley are combined into one set)
These machines are collectively called cranes. Do you know why they can lift such heavy objects?
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For more information about the PPT courseware "Tools and Machinery Pulley Block", please click the Tools and Machinery ppt Pulley Block ppt tag.
Five PPT charts of the relationships between pulley block designs:
This is a PPT chart of the relationship between five pulley block designs, in .PPTX format;..
"Pulley Block" Tools and Machinery PPT teaching courseware:
"Pulley Block" Tools and Machinery PPT Teaching Courseware Part One: Introduction of New Lessons Whether in cities or in rural areas, there are many construction sites. What did you find when visiting these busy construction sites? Know how a crane delivers heavy objects to...
"Pulley Block" Tools and Machinery PPT download:
"Pulley Block" Tools and Machinery PPT Download Part One Content: New Lesson Exploration (1) Observing the pulleys on the crane Crane refers to a multi-action hoisting machinery that lifts vertically and carries heavy objects horizontally within a certain range. Thinking: How does a crane lift such a heavy building...
File Info
Update Time: 2024-07-29
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