Questions
A balloon of gross weight W newton descends with an acceleration f m/s2. The weight that must be thrown out in order to give the balloon an equal upward acceleration will be:
detailed solution
Correct option is C
Let thrown out weight = w and upthrust = FuThen W−Fu=Wgfand Fu−(W−w)=W−wgfBy solving, w=2Wfg+fTalk to our academic expert!
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Statement I : The familiar equation mg = R for a body on a table is true only if the body is in equilibrium.
Statement II : The equality of mg and R has no connection with the third law.
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