the pic was not clear on the previous this is the next one clearly
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LEARNINGSCIENCE:
Hi
Which class mam?
8th
and u
Oooo. 10tg
10th*
hmmm
nice
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5) the friction is rolling friction as books roll over pencils
6), the body are shaped so to over the friction by fluids
the shape is known as streamlined shape
thanx :-!
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