a solid piece of lead experiences certain upthrust. the lead piece is then shaped into a hollow cube and placed in the same liquid. the upthrust acting on it :
a) increases
b) decreses
c) remains same
d) none of the above
please explain alongwith the answer!
As the volume of the lead piece remains the same the volume of liquid displaced by it and further, the buoyant force experienced by it would remain unchanged.
Thus, the correct answer is option (c).