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What is a unit vector ?...

What is a unit vector ?

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A vector whose magnitude is unity, is know as a unit vector.
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SUBHASH PUBLICATION-MOTION IN PLANE-NUMERICALS WITH SOLUTIONS
  1. What is a unit vector ?

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  2. Two forces 8N and 5N are acting at a point on a body at an angle 120^(...

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  3. Concurrent coplanar forces 10N, 15N, 20N, 25N are acting on a body at ...

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  4. Two forces P and 2P act at a point. If the first force is increased by...

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  5. Two forces P=5N and Q=10N are acting at a point making an angle of 30^...

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  6. Two forces 7 kgwt and 4 kgwt act at a point making an angle of 60^(@)...

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  7. Two concurrent forces 30N and 40N are acting at an angle of 60^(@) wit...

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  8. A body of mass 1 kg is suspended by means of a string. It is then pul...

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  9. The greatest and least resultant of two forces acting at a point are 2...

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  10. Two forces 12N and 5N are acting at right angles to each other. Find t...

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  11. Simple pendulum of mass 3 Kg is pulled aside through an angle of 60^(@...

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  12. When two forces are acting along the same direction, their resultant i...

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  13. The square of the resultant of two equal forces acting at a point is e...

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  14. If a vectorvecA makes an angle of 60^(@) with respect to the X-axis, t...

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  15. Find the cross product of vecA=3hati+4hatj and vecB=(-3hati+4hatj)

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  16. If a force vecF=(-3hati+4hatj+2hatk) acts on a body and displaces it s...

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  17. Find the angle between2(hati+hatj) and hati

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  18. If vecA=3hati+2hatj and vecB=4hatj-5hatk then find |vecA+vecB|

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  19. If vecA=3hati+2hatj and vecB=4hatj-5hatk then find |vecA-vecB|

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  20. Find the sum of hati and hatk and the angle between the resultant and ...

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  21. Calculate the dot and cross product of vecA=30 units along east and v...

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