Multiple choice question XXII — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. The mass of body is measured to be \(50\ kg\) on the earth. Its weight on moon will be:

\(50\ N\)
\(490\ N\)
\(81.25\ N\)
\(98\ N\)

2. Two iron and wooden balls identical in size are released from the same height in vacuum. The time taken by them to reach the ground are:

not equal
exactly equal
regularly equal
zero

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