question_answer1) Why cannot be vectors added algebraically?
question_answer2) State the essential condition for the addition of vectors.
question_answer3) Is time a vector quantity? Give reason.
question_answer4) Is pressure a vector? Give reason.
question_answer5) Can two vectors of different magnitudes be combined to give zero resultant?
question_answer6) When is the magnitude of the resultant of two vectors equal to either of them?
question_answer8) Can\[\mathbf{\vec{A}+\vec{B}}=\mathbf{\vec{A}-\vec{B}}\] ?
question_answer12) Can we add a velocity vector to a displacement vector?
question_answer15) What is the resultant of vector\[\vec{A}\] multiplied by real number m?
question_answer16) Can a vector be multiplied by both dimensional and non-dimensional scalars?
question_answer17) What is the maximum number of components into which a vector can be resolved?
question_answer24) Give two conditions necessary for a given quantity to be a vector.
question_answer25) Is finite rotation a vector?
question_answer26) Can the scalar product of two vectors be negative?
question_answer28) What is the dot product of two similar unit vectors?
question_answer32) What is the magnitude and direction of\[\hat{i}+\hat{j}\]
question_answer33) What is the angle made by vector \[\vec{A}=2\hat{i}+2\hat{j}\]\[x\]-axis?
question_answer42) What is the value of \[\vec{A}\times \vec{A}\]?
question_answer43) What is-the condition for two vectors to be collinear?
question_answer45) Find the value of \[\hat{i}\times \hat{j}.\]
question_answer46) What is \[\hat{i}.(\hat{j}\times \hat{k})\] ?
question_answer48) What is the angle between \[(\vec{A}+\vec{B})\] and \[(\vec{A}\times \vec{B})\]?
question_answer49) Can there be motion in two dimensions with an acceleration only in one dimension?
question_answer50) Can the direction of velocity of a body change when the acceleration is constant?
question_answer51) Is the rocket in flight an example of projectile?
question_answer53) Why does a projectile fired along the horizontal not follow a straight line path?
question_answer68) A man can jump on the moon six times as high as on the earth. Why?
question_answer72) Why does a tennis ball bounce higher on hills than in plains?
question_answer83) Can we apply the commutative and associative laws to vector subtraction also?
question_answer84) Can three vectors not in one plane give a zero resultant? Can four vectors do so?
question_answer87) Is \[|\vec{a}-\vec{b}|\] greater than or less than \[|\vec{a}|+|\vec{b}|\]?
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