magnetism is a force that can both attract and repell(pull/push), A MAGNET WORKS BECAUSE OF ITS MAGNETIC FIELD, A MAGNET HAS A POLARITY AND POLARITY MEANS THE MAGNET HAS TWO OPPOSITE SIDES, OR POLES THAT WORK DIFFERENTLY, EVERY MAGNET HAS A NORTH POLE AND A SOUTH POLE. AND THE FORCE OF A MAGNET FLOWS FROM THE NORTH TO THE SOUTH, CREATING A FIELD, THE MAGNET FORCE IS STRONG IN THE POLES AND WEAK IN THE CENTER, AN ATOM IS BALANCED AND HAS POSITIVE NUCLEUS AND NEGATIVE ELECTRONS., IF AN ELECTRON IS PULLED AWAY FROM ITS POSITIVE NUCLEUS, THE ATOM IS NO LONGER BALANCED, WHEN THE ATOM IS NOT BALANCED, IT CAN ATTRACT AND REPEL LIKE A MAGNET, CAUSING AN ELETROMAGNETIC FORCE, FRICTION IS A KIND OF MAGNETIC FORCE, FRICTION CAUSES ATOMS TO GAIN OR LOSE ELECTRONS, RUBBING YOUR HAIR ON A BALLOON AND RUBBING YOUR FEET ON A CARPET ARE EXAMPLES OF FRICTION, AN ELETROMAGNET IS A DEVICE THAT CAN GENERATE ELETROMAGNETIC FORCE, THE TELEGRAPH WAS DESIGNED WITH AN ELETROMAGNET, SCIENTISTS BELIEVE THE EARTH WORKS LIKE AN ELETROMAGNET, AS THE EARTH ROTATES, THE SPINNING METAL CREATES AN ELETROMAGNETIC FIELDS, THE EARTH'S NORTH AND SOUTH MAGNETIC POLES ARE CLOSE TO THE NORTH AND SOTH GEOGRAPHIC POLES, A ROUGH SURFACE INCREASES RUBING , WHICH INCREASES FRICTION, BALACED FORCES ARE OPPOSING FORCES WHICH PREVENT WORK FROM BEING DONE., UNBALANCED FORCES MEANS THERE IS A GREATER FORCE THAT OVERCOMES OPPOSING FORCES RESULTING TO WORK , Unbalanced Forces do Work, Newton discovery the laws of motion , Inertia is a property of matter that makes it resist a change in motion, The greater the mass or amount of matter an object has, the more inertia it has, Mass, speed and direction are all part of an object moving energy ,
0%
science
共享
共享
共享
由
Tarefa1
编辑内容
打印
嵌入
更多
作业
排行榜
闪存卡
是一个开放式模板。它不会为排行榜生成分数。
需要登录
视觉风格
字体
需要订阅
选项
切换模板
显示所有
播放活动时将显示更多格式。
打开成绩
复制链接
QR 代码
删除
恢复自动保存:
?