|
');
(window.slotbydup=window.slotbydup || []).push({
id: '8096091',
container: s,
size: '580,90',
display: 'inlay-fix'
});
})();
本章知识小结 杠杆的应用 ①a省力杠杆当l1>l2时,则F1 c等臂杠杆当l1=l2时,则F1=F2.既不省力也不省距.例如:天平、定滑轮等. |
|
');
(window.slotbydup=window.slotbydup || []).push({
id: '8096091',
container: s,
size: '580,90',
display: 'inlay-fix'
});
})();
本章知识小结 杠杆的应用 ①a省力杠杆当l1>l2时,则F1 c等臂杠杆当l1=l2时,则F1=F2.既不省力也不省距.例如:天平、定滑轮等. |