Answers

2016-01-02T15:02:07+05:30


when the tin is pushed into water keeping its mouth upwards the air makes it difficult as air has less density than water whereas when its mouth is downwards while pushing some water gets inside the can and the air is expelled out thus making easier


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http://brainly.in/question/250287
can you explain the meaning ehat have you said just now
*what
ok, see the question below to ur question  
that's my question's link 
2016-01-03T23:54:00+05:30
Its due to the buoyancy of water..... ie archimedes prinviple n upthrust in fluids
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