vectors

Related Questions

• Any vector in an arbitrary direction can always be replaced by two (or three)

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• The vector that must be added to the vector $\hat i - 3\hat j + 2\hat k$ and $3\hat i + 6\hat j - 7\hat k$ so that the resultant vector is a unit vector along the y-axis is

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• The area of the parallelogram whose sides are represented by the vectors $\hat j + 3\hat k$ and $\hat i + 2\hat j - \hat k$ is

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• The magnitudes of vectors $\vec A,\,\vec B$and$\vec C$are 3, 4 and 5 units respectively. If $\vec A + \vec B = \vec C$, the angle between $\vec A$and $\vec B$is

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• Three concurrent forces of the same magnitude are in equilibrium. What is the angle between the forces ? Also name the triangle formed by the forces as sides

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