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PhysicsNLMFrictionMedium2 minQB

PhysicsMediumsingle choice

Passage / Comprehension

The slipping starts between the blocks when the force of 25 N acts on 2kg block.

Select the correct graph of acceleration of blocks with force F is

Answer:

Solution:

Now when $F < 25 N$ :

$\Rightarrow a = \frac{F}{5} \Rightarrow y = mx [straight line]$

when $F > 25 N$ :

$\Rightarrow F - f = 2 a_{2} F - 15 = 2 a_{2}$

$\Rightarrow a_{2} = \frac{F - 15}{2}$

$\Rightarrow y = mx - c$ [straight line] also, $f = 3 a_{3}$ $\Rightarrow 15 = 3 a_{3} \Rightarrow a_{3} = 5 m / s^{2}$

Option (A) is correct.

Stream:JEESubject:PhysicsTopic:NLMSubtopic:Friction

⏱ 2mℹ️ Source: QB

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