The force acting on an object is 5j^ + k^and displacement of object is 3i^ + 4j^. Then what is the component of force along displacement
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Work=force∗displacement=(3i+4j)(3i+4j)=3∗3i.i+4∗4j.j+4∗3i.j+4∗3i∗j=9+16=25J
as,i.i=j.j=1;i.j=j.i=0
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Work=force∗displacement=(3i+4j)(3i+4j)=3∗3i.i+4∗4j.j+4∗3i.j+4∗3i∗j=9+16=25J
as,i.i=j.j=1;i.j=j.i=0
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