Multiple choice question XXXI — 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. In high jump competition the athlete is made to fall on a cushioned bed to:

To decrease his momentum fast
Make him stop quickly
Increase the time to stop
Make him sleep comfortably

2. When balanced forces act on a body, the body:

(A) Must remain in its state of rest
(B) Must continue moving with uniform velocity, if already in motion
(C) Must experience some acceleration
Both (A) and (B)

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