Answer the following questions in brief.
a. A plastic cube is released in water. Will it sink or come to the surface of water?
b. Why do the load carrying heavy vehicles have large number of wheels?
c. How much pressure do we carry on our heads? Why don't we feel it?
Answers
Answered by
4
Answer:
no sinking @
because if it has few wheels then it will stand there only b
because our head is made up of extremely hard bones c
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Answered by
4
Answer:
Those that have a greater density than water will sink and those that have less density than water will float. Plastics also behave the same way. Show students the cut up pieces of plastic. Explain to students that some of these plastics will sink and some will float. 1st ans
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