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Physics - NLM Question with Solution | TestHub

PhysicsNLMMedium2 minQB

PhysicsMediummultiple choice

A block of mass 4 kg is kept on a smooth inclined plane as shown and a horizontal force is applied on it. Which of the following forces can push the block up the inclined plane ?

Options:(select one or more)

Answer:

A, C

Solution:

$F cos 3 7^{\circ} - mg sin 3 7^{\circ} = ma \geq 0$

$F cos 3 7^{\circ} \geq mg sin 3 7^{\circ}$

$F \geq mg tan 3 7^{\circ} = 4 \times 10 \times \frac{3}{4} = 30 N$

Stream:JEESubject:PhysicsTopic:NLM

⏱ 2mℹ️ Source: QB

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