Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Science Edition for Sixth Grade Science Volume 1
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Fourth Grade Science Volume 1, Textbook Edition
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E-education edition fifth grade science volume 1
E-education edition fifth grade science volume 2
Fifth Grade Science Volume 2, Textbook Edition
E-education edition sixth grade science volume 1
Zhejiang Education Edition Seventh Grade Science Volume 2
People's Education Press Fifth Grade Science Volume 2
Category | Format | Size |
---|---|---|
Science Edition for Sixth Grade Science Volume 1 | pptx | 6 MB |
Description
"Fixed Pulleys and Moving Pulleys" Tools and Machinery PPT Teaching Courseware
Part 1: Importing new lessons
When raising the flag, our team members pulled the rope downwards. Why did the flag go up? "Like the pulley on the top of a flagpole, a pulley that is fixed in one position and rotates without moving is called a fixed pulley.
Fixed pulley and movable pulley PPT, part 2 content: new lesson learning
When raising the flag, we must have thought, why does the flag go up when the rope is pulled down? If we look closely, we will find that there is a pulley on the top of the flagpole!
like the pulley on top of a flagpole
Fixed in one position and rotated
A pulley that does not move is called a fixed pulley
Fixed pulley and movable pulley PPT, the third part: conclusion summary
Fixed pulleys can change the direction of force, but they cannot save effort. Moving pulleys can save effort, but they cannot change the direction of force.
Fixed pulley and movable pulley PPT, Part 4 content: Classroom exercises
1. Fill in the blanks
(1) A pulley that can move with a heavy object is called ( ).
(2) The characteristics of the moving pulley are: ( ).
(3) A pulley that is fixed in one position and rotates without moving is called ( ).
(4) The characteristics of the fixed pulley are: ( ).
2. Judgment.
(1) The fixed pulley is fixed in one place and cannot move with the movement of heavy objects. ( )
(2) The functions of the fixed pulley and the movable pulley are different. ( )
Fixed pulley and movable pulley PPT, part 5: work arrangement
The functions of fixed pulleys and movable pulleys are so different, so under what circumstances do we use fixed pulleys and under what circumstances do we use movable pulleys?
Keywords: Free download of Chinese PPT courseware for the first volume of the sixth grade in the textbook edition, PPT download of fixed pulleys and movable pulleys, PPT download of tools and machinery, .PPT format;
For more information about the PPT courseware "Tools and Machinery Fixed Pulleys and Moving Pulleys", please click the Tools and Machinery ppt Fixed Pulleys and Moving Pulleys ppt tag.
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Update Time: 2024-11-15
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