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Standard XII

Physics

Second Law of Motion

A body of mas...

Question

A body of mass $8 k g$ is hanging from another body of mass $12 k g$ .The combination is being pulled up by a string with an acceleration of $2.2 m / {s e c}^{2}$ . The tension $T_{1}$ will be

260 N

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240 N

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220 N

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200 N

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Solution

The correct option is B $240 N$
$T_{1} - 20 g = 20 \times a = 20 \times 2.2 T_{1} = 240$

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A body of mass 10kg is hanging from another body of mass 15kg. The combination is pulled up by a string with an acceleration of . $1.2 m^{- 2}$ Find the tensions (in N) at A and B points as shown in figure $(T a k e g = 9.8 m / s^{2})$ .

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A body of mass 8kg is hanging from another body of mass 12kg.The combination is being pulled up by a string with an acceleration of 2.2m/sec2. The tension T1 will be

The correct option is B 240NT1−20g=20×a=20×2.2T1=240

A body of mass $8 k g$ is hanging from another body of mass $12 k g$ .The combination is being pulled up by a string with an acceleration of $2.2 m / {s e c}^{2}$ . The tension $T_{1}$ will be

The correct option is B $240 N$
$T_{1} - 20 g = 20 \times a = 20 \times 2.2 T_{1} = 240$