Contact force — task. Science CBSE, Class 8 New.

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

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Choose the correct answer:

1. What is meant by contact force?

A force that acts at a distance
A force that acts only on stationary objects
A force that acts without touching objects
A force that acts when two objects are in physical contact

2. Which statement about contact force is correct?

It acts only on light objects
It acts without touching objects
It acts only in space
It requires physical interaction between objects

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