Products
Mind Mapping Software
Outlining Software
Gantt Charts Software
Uses
Mind Maps for Education
Mind Maps for Business
Mind Maps for Personal Development
Mind Mapping Benefits
Resources
Features
Education
Personal & Work
Desktop
Video Tutorials
Watch tips and tricks about using Mindomo.
Help Center
Detailed help guide on configuring and using Mindomo.
Articles
Top 29 Mind Map Examples
Gantt Chart Software
Concept Map Template
Free mind map software
What is a concept map?
Gantt Chart Maker
Mind Map App
Concept Map Maker
Mind map template
Pricing
Log in
Sign Up
Products
Mind Mapping Software
Outlining Software
Gantt Charts Software
Uses
Mind Maps for Education
Mind Maps for Business
Mind Maps for Personal Development
Mind Mapping Benefits
Resources
Blog
Video Tutorials
Help Center
What is Mind Mapping?
Create a Mind Map Online
Concept Map Maker
Articles
Top 29 Mind Map Examples
Gantt Chart Software
Concept Map Template
Free mind map software
What is a concept map?
Gantt Chart Maker
Mind Map App
Concept Map Maker
Mind map template
Features
Education
Personal & Work
Desktop
Pricing
Sign Up
Log in
Categories:
All
by
s10324.std s10324.std
5 years ago
497
簡單機械
槓桿是透過不同長度的施力臂和抗力臂來達到省力或費力效果的簡單機械,常見的應用有開瓶器和掃把等工具。滑輪分為定滑輪和動滑輪,定滑輪可以改變施力方向,動滑輪則能有效減輕所需的力氣。輪軸由輪和軸組成,使用輪來省力而軸則需要更多的力氣。齒輪則是通過齒與齒之間的配合來改變轉動方向和速度,並且可以通過鏈條連接來保持相同的轉動方向。這些簡單機械的原理和應用在日常生活中隨處可見,幫助人們更輕鬆地完成各種任務。
Open
More like this
自然1-簡單機械
by Ruby Huang
自然1-簡單機械
by Ruby Huang
自然1-簡單機械
by Ruby Huang
自然1-簡單機械
by Ruby Huang
簡單機械
(4)齒輪
加了鏈條的齒輪
轉動方向相同
一般大小齒輪
轉動方向相反
構造幫助
改變轉動
方向
速度
動力
(2)滑輪
動滑輪
省了一半的力氣
讓它轉動,移動
定滑輪
讓它轉動
不省也不費力!!
改變施力的方向
(3)輪軸
輪
軸
(1)槓桿原理
費力
施力臂小於抗力臂
筷子
鑷子
掃把
省力
施力臂大於抗力臂
指甲剪
開瓶器
打洞機
影片欣賞(翔陽好帥)