answer all of these and I give u brilliant ans
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Ans of 4 will be heat energy.
Ans of 5 will be sprinkle talcum powder on the wooden surface.
Ans of 6 will be by putting a same identical block on the top of the given block.
Ans of 5 will be sprinkle talcum powder on the wooden surface.
Ans of 6 will be by putting a same identical block on the top of the given block.
Prince1uuff:
how
6 q
tell
tell na
In 6 th question you have to increse the friction so when you will apply lubricant or polish the surface friction will not increase it will decrease and when you will reduce the contact area friction will decrease it will not increase so option 4th is correct when you will put one more block the weight will increase and friction will also incraese
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I read in DAV PUBLIC SCHOOL JAMALPUR.
THIS IS DAV SCIENCE BOOK.
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