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Applying NLM along 3 Axis

A 20 kg block...

Question

A 20 kg block is connected to a 30 kg block. A force of 50 N pulls the blocks to the right as shown in the figure. Find the magnitude of tension $T$ in the rope that connects the two blocks.

20 N

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10 N

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30 N

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40 N

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Solution

The correct option is A $20 N$
When the force 50 N is applied, the whole system will be accelerating.

Let a be the acceleration of system as well as acceleration of the blocks.

So, $(20 + 30) a = 50$ or $a = 1 m / s^{2}$

Tension, $T = 20 a = 20 N$

Suggest Corrections

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