"Simple Machinery on Bicycles" Tools and Machinery PPT

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Science Edition for Sixth Grade Science Volume 1	pptx	6 MB

"Simple Machinery on Bicycles" Tools and Machinery PPT

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Upload Time: 2024-09-09

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"Simple Machinery on Bicycles" Tools and Machinery PPT

Part One: Chains and Gears on Bicycles

Bicycles rely on human power to move forward. How is the force of human pedaling transmitted to the wheels?

The chain meshes with the two gears and plays the role of transmitting power to make the bicycle move.

What effect do the sizes of the two gears have on changing the speed of the wheel's rotation?

Measure this:

How many revolutions of the small gear in the rear wheel will the large gear of the bicycle rotate once?

How many turns of the small gear does it take for the large gear to turn once?

What is the relationship between the speed of gear rotation and the size of the gear?

When the large gear drives the small gear to rotate, the small gear rotates ______ faster than the large gear;

When the small gear drives the large gear to rotate, the large gear rotates ______ faster than the small gear.

Simple Machinery on Bicycle PPT, Part 2: Looking for Simple Machinery on Bicycle

A few different simple machines are used on bicycles. Let's take a look and see what simple machines we can find on bicycles.

Brake lever Brake frame Foot pedal

Keywords: Free download of Chinese PPT courseware for the first volume of the sixth grade in the textbook edition, PPT download of simple machinery on bicycles, PPT download of tools and machinery, .PPT format;

For more information about the PPT courseware "Tools and Machines on the Simple Machines on the Bicycle", please click on the Tools and Machines PPT on the Simple Machines on the Bicycle PPT tag.

"Simple Machinery on Bicycles" Tools and Machinery PPT Teaching Courseware:

"Simple Machinery on Bicycles" Tools and Machinery PPT Teaching Courseware Part One: Introduction of New Courses Our country is a big country of bicycles, and bicycles are an important means of transportation. So what kind of working principle do bicycles use to advance? After studying this lesson...

"Simple Machinery on Bicycles" Tools and Machinery PPT Download:

"Simple Machinery on Bicycles" Tools and Machinery PPT Download Part One Content: Learning and Exploration (1) Chains and Gears on Bicycles The two gears refer to the large pedal gear and the driving pinion. The large gear on a bicycle has 44 teeth. The pinion has 18 teeth...

"Simple Machinery on Bicycles" Tools and Machinery PPT Courseware 4:

"Simple Machinery on Bicycles" Tools and Machinery PPT Courseware 4 What are the characteristics of the inclined plane? Slopes can save effort. The smaller the slope, the less effort. The larger the slope, the more effort. Bicycles are a simple, convenient and environmentally friendly means of transportation, and many people like to use them. The bicycle is...

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Update Time: 2024-09-09

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Tools and Machinery PPT Simple Machinery on Bicycle PPT

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"Simple Machinery on Bicycles" Tools and Machinery PPT