Question

Question2 A cylindrical container of height H is full to the brim with water It is placed on a weigh-scale which is then zeroed A light ball made of polystyrene (of density 100 kg/m) of diameter 2 cm is carefully (you can assume there is no unnecessary spilage) and gently pushed down int the water and held beneath the surface of the liquid with a ngid rod of neglible volume as shown in the figure below rigid rod 21 What is the mass of liquid which overflowed while the ball was carefully and genth pushed into the water? 22 What is the reading on the scale when the ball is fully submerged? Show calculation: to support your answer 23 If instead of being pushed down by the rod, the ball is held in place by a thn string attached to the bottom of the container as shown below, what is the tension in th (5 (8 string, and what will be the reading on the scale? 24 Will there be a difference if the Styrofoam ball is replaced by a plastic ball of densıt 650 kg/m3? (12 (5 FMC2601 Oct/Nov 2016 stnng Take the density of water to be 1000 kg/m [30]

Answer 1

3 213 6,00418 z. 얹2 . Scale. 4.18 rem 2.1 4.18 g- 0.418 3. 62 3.62

2.3 FT 0.0369 Mewlou sty^ofam oll the plastfe boll is there uşıl be change?na,a because we used Sn 2.3 also unaslected