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The resultant of two forces vecP and vec...

The resultant of two forces `vecP` and `vecQ` acting at O at `vecR` . If any traversal cuts them at A,B and C, respectively, show that `P/(OA)+Q/(OB)=R/(OC)`

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NN GHOSH-VECTOR AND SCALARS-All Questions
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  3. The resultant of two forces vecP and vecQ acting at O at vecR . If any...

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  4. veca+veca=veca is (i) always possible, (ii)never possible, (iii)possib...

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  5. veca+vecb=vec c and |veca|=|vecb|=|vec c| This is (i)impossible (ii)...

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  6. If veca+vecb=vec c and c=sqrt(a^2+b^2). What is the angle between veca...

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  7. The coordinates of the initial point of a vector are (1,2) and those o...

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  8. If veca=2veci+3vecj and vecb=veci+vecj, find (i)veca.vecb, (ii)vecaxxv...

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  9. If veca=2veci-3vecj+2veck and vecb=veci+2vecj+veck, find (i)veca.vecb,...

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  10. If veca=x1veci+y1vecj and vecb=x2veci+y2vecj, find the condition that ...

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  11. If veca=4veci-3vecj and vecb=6veci+8vecj, find the magnitude and direc...

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  12. Three vectors which are coplanar with respect to a certain reactangula...

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  13. Find the angle between veca=3veci+3vecj-3veck and vecb=2veci+vecj+3vec...

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  14. A car is driven eastward for a distance of 50 km, then northward for 3...

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  15. Four forces of magnitude P, 2P, 3P and 4P act along the four sides of ...

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  16. Find the direction cosines and unit vector along the vector vecr=2veci...

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  17. Prove by the method of vectors that in a triangle a/(sin A)=b/(sinB)=c...

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  18. Show that if vecA. (vecBxxvec c)=0, then vecA, vecB and vec c are copl...

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  19. Show that veca.(vecbxxvec c) is equal in magnitude to the volume of th...

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  20. Prove that for a vector veca defined by veca=axveci+ayvecj+azveck, the...

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