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考虑力矢量据span class="katex"> F据/span>=据/span>⟨据/span>1据/span>那据/span>1据/span>那据/span>2据/span>1据/span>⟩据/span>。如果转矩的大小据span class="katex"> τ.据/span>=据/span>O.据/span>P.据/span>×据/span>F据/span>等于等边三角形的通过原点形成的区域,据span class="katex"> P.据/span>, 和据span class="katex"> (据/span>1据/span>那据/span>-据/span>1据/span>那据/span>1据/span>)据/span>,然后确定由所形成的锐角据span class="katex"> O.据/span>P.据/span>和据span class="katex"> F据/span>。给在度你的答案。据/p>
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让据span class="katex"> 一种据/span> 那据/span>B.据/span> 和据span class="katex"> C据/span> 是三个非零向量,使得没有两个都是共线的并据span class="katex"> (据/span>一种据/span> ×据/span>B.据/span> )据/span>×据/span>C据/span> =据/span>3.据/span>1据/span>|据/span>B.据/span> |据/span>|据/span>C据/span> |据/span>一种据/span> 。如果据span class="katex"> θ.据/span>是向量之间的角度据span class="katex"> B.据/span> 和据span class="katex"> C据/span> ,则的值据span class="katex"> 罪据/span>θ.据/span>是 :据/p>
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让据span class="katex">
你据/span>^据/span>和据span class="katex">
V.据/span>^据/span>是单位向量和据span class="katex">
W.据/span>
是这样的一个矢量据span class="katex">
W.据/span>
+据/span>(据/span>W.据/span>
×据/span>你据/span>^据/span>)据/span>
=据/span>
V.据/span>^据/span>。据/p>
角据strong>度据/strong>之间据span class="katex">
你据/span>^据/span>和据span class="katex">
V.据/span>^据/span>这样据span class="katex">
|据/span>(据/span>你据/span>^据/span>×据/span>V.据/span>^据/span>)据/span>⋅据/span>W.据/span>
|据/span>值为最大据span class="katex">
θ.据/span>和的最大值据span class="katex">
|据/span>(据/span>你据/span>^据/span>×据/span>V.据/span>^据/span>)据/span>⋅据/span>W.据/span>
|据/span>是据span class="katex">
m据/span>。发现价值据span class="katex">
θ.据/span>+据/span>m据/span>。据/p>
一世据/span>m据/span>一种据/span>G据/span>E.据/span>
C据/span>R.据/span>E.据/span>D.据/span>一世据/span>T.据/span>:据/span>
W.据/span>一世据/span>K.据/span>一世据/span>P.据/span>E.据/span>D.据/span>一世据/span>一种据/span>
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认为据span class="katex">
P.据/span>
那据/span>问:据/span>
那据/span>和据/span>R.据/span>
是三个相互垂直的单位矢量。据/p>
向量据span class="katex">
你据/span>
满足方程式据span class="katex-display">
P.据/span>
×据/span>(据/span>(据/span>你据/span>
-据/span>问:据/span>
)据/span>×据/span>P.据/span>
)据/span>+据/span>问:据/span>
×据/span>(据/span>(据/span>你据/span>
-据/span>R.据/span>
)据/span>×据/span>问:据/span>
)据/span>+据/span>R.据/span>
×据/span>(据/span>(据/span>你据/span>
-据/span>P.据/span>
)据/span>×据/span>R.据/span>
)据/span>=据/span>0.据/span> 什么是据span class="katex">
你据/span>
按照据span class="katex">
P.据/span>
那据/span>问:据/span>
那据/span>和据/span>R.据/span>
还是据/p>
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考虑以原点为中心的正八边形如右图所示。八个单位向量从八边形的中心到它的每个顶点的绘制,并在图中标记。对于每对独特的单位矢量的据span class="katex">
你据/span>
一世据/span>那据/span>你据/span>
j据/span>和据span class="katex">
一世据/span>据据/span>j据/span>,它们的叉积被计算出来。据/p>
什么是所有这些跨产品的总和?据/p>
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问题加载......据/p>
注意加载......据/p>
设置加载......据/p>