"Fixed Pulleys and Moving Pulleys" Tools and Machinery PPT Courseware 4

Description

"Fixed Pulleys and Moving Pulleys" Tools and Machinery PPT Courseware 4

Review the various simple machines we have learned:

Machine name Classification Features Example

Lever, labor-saving lever, labor-saving, crowbar, vise

Labor lever, convenient, fire pliers, hair scissors

Equi-arm lever Iso-force balance, seesaw

Wheel axle, wheel driven axle, labor-saving steering wheel, faucet switch

Shaft driven wheel, propeller, ceiling fan

Class Summary

1. What is a fixed pulley?

Answer: A pulley that is fixed in one position and rotates without moving is called a fixed pulley.

2. What is a moving pulley?

Answer: A pulley that can move with a heavy object is called a movable pulley.

3. What is the difference between the fixed pulley and the movable pulley?

my choice--

1. Which of the following machines has fixed pulleys ( )

A. The pulley on the top of the flagpole B. The steering wheel C. The pulley on the tower crane hook

2. The moving pulley can play the role of ( ).

A. Save effort B. Change the direction of force C. Save effort and change the direction of force

3. The pulley installed on the top of the lifting curtain belongs to ( ).

A. Fixed pulley B. Moving pulley C. Pulley block

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"Pulley" simple machine PPT (fixed pulley and movable pulley in lesson 1):

"Pulley" simple machine PPT (fixed pulley and movable pulley in lesson 1) Part 1 content: Knowledge management 1. Fixed pulley Definition: A pulley whose shaft is fixed during operation is called _____. Essence: It is an equal-arm lever (i.e. power arm = resistance arm). special..

"Fixed Pulleys and Moving Pulleys" Tools and Machinery PPT teaching courseware:

"Fixed Pulleys and Moving Pulleys" Tools and Machinery PPT teaching courseware Part One: Introduction of new lessons When raising the flag, our team members pull the rope downwards, why does the flag go up? Like the pulley on the top of a flagpole, it is fixed in one position and rotates...

"Fixed Pulleys and Moving Pulleys" Tools and Machinery PPT Download:

"Fixed Pulleys and Moving Pulleys" Tools and Machinery PPT Download Part One Content: New Exploration Lesson (1) The pulley on the top of the flagpole. Like the pulley on the top of the flagpole, a pulley that is fixed in one position and rotates without moving is called a fixed pulley. What we found: Fixed pulley lift..

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Update Time: 2024-08-16

This template belongs to science courseware Science Edition for Sixth Grade Science Volume 1 industry PPT template

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