A piece of cork floating on water is acted upon by the fo...
A piece of cork floating on water is acted upon by the forces of...
Weight and viscosity
weight and upthrust
upthrust and viscosity
weight only
upthrust only
Correct answer is B
No explanation has been provided for this answer.
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Which of the following statements is TRUE of photoelectric effect? ...
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The pressure of one mole of an ideal gas of volume 10-2 m3 at a temperature of 27°c is [molar...
The efficiency of a machine is always less than 100% because the ...