A man weighs 70 kg- He stands on a weighing scale in a lift which is moving upwards with an acceleration of 5 ms 2- What would be the reading on the scale- g -10 ms 2-A- 1050 NB- 1200 NC- 220 ND- 1000 N

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Standard XII

Physics

Time Period Independent of Amplitude

A man weighs ...

Question

A man weighs 70 kg. He stands on a weighing scale in a lift which is moving upwards with an acceleration of 5ms².What would be the reading on the scale? (g=10 ms²).

1050 N

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1200 N

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220 N

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1000 N

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Solution

The correct option is A
1050 N

R-mg = ma

R = mg+ma = 70x15=1050 N

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A man weighs 70 kg. He stands on a weighing scale in a lift which is moving upwards with an acceleration of 5ms2.What would be the reading on the scale? (g=10 ms2).

The correct option is A 1050 N R-mg = ma R = mg+ma = 70x15=1050 N

A man weighs 70 kg. He stands on a weighing scale in a lift which is moving upwards with an acceleration of 5ms².What would be the reading on the scale? (g=10 ms²).

The correct option is A
1050 N

R-mg = ma

R = mg+ma = 70x15=1050 N