[" उदाहरण "6.1" बल "F=(3hat i+4hat j-5ha...

[" उदाहरण "6.1" बल "F=(3hat i+4hat j-5hat k)" तथा विस्थापन "],[d=(5hat i+4hat j+3hat k)" के बीच "bar()61" कोण ज्ञात करें। "F],[" का "d" पर प्रक्षप भी ज्ञात करे। "]

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