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Standard XII

Physics

Applying NLM along 3 Axis

A man weighs ...

Question

A man weighs 80 kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of $5 m / s^{2}$ . What would be the reading on the scale. $(g = 10 m / s^{2})$

400 N

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800 N

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1200 N

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Zero

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Solution

The correct option is C
1200 N

Reading of weighing scale = m(g+a) = 80(10 + 5) = 1200 N

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Similar questions

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A man weighs 80 kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5m/s2. What would be the reading on the scale. (g=10m/s2)

The correct option is C 1200 N Reading of weighing scale = m(g+a) = 80(10 + 5) = 1200 N

A man weighs 80 kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of $5 m / s^{2}$ . What would be the reading on the scale. $(g = 10 m / s^{2})$

The correct option is C
1200 N

Reading of weighing scale = m(g+a) = 80(10 + 5) = 1200 N