Laws of Motion

JEE Main level, single correct, medium

11 of 210

Question 11 of 210

A wooden block, initially at rest on the ground, is pushed by a force which increases linearly with time tt. Which of the following curve best describes acceleration of the block with time:

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Answer: (D)


F=ma⇒a=Fm=ktm\mathrm{F}=\mathrm{ma} \Rightarrow \mathrm{a}=\frac{\mathrm{F}}{\mathrm{m}}=\frac{\mathrm{kt}}{\mathrm{m}}
a vs tt will be straight line passing through origin.

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