11th Class Physics Motion in a Straight Line / सरल रेखा में गति Question Bank 11th CBSE Physics One Dimensional Motion

  • question_answer
    Can a body subjected to a uniform acceleration always move in a straight line?

    Answer:

                    Given, \[\text{SLAP }=\frac{change\,\,in\,\,acceleration}{time\,\,taken}\] (i) The S.I unit of SLAP is \[\frac{m/{{s}^{2}}}{s}=\text{ m}{{\text{s}}^{-\text{3}}}\] (ii) Instantaneous SLAP is the value of SLAP at the given instant, which is the first derivative of acceleration at the given instant and can be written as Instantaneous \[\text{SLAP }=\underset{\Delta t\to 0}{\mathop{Lt}}\,\left( \frac{\Delta \vec{d}}{\Delta t} \right)=\frac{d\vec{a}}{dt}\]


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