Problem

28. A ball that can float on water has mass 5.00 kg and volume

2.50 \times 10^{-2} \mathrm{~m}^{3}

. What is the magnitude of the downward force that must be applied to the ball to hold it motionless and completely submerged in fresh water of density

1.00 \times 10^{3} \mathrm{~kg} / \mathrm{m}^{3}

? (A) 20.0 N (B) 25.0 N (C) 30.0 N (D) 200 N (A) 20.0 N (B) 25.0 N (C) 30.0 N (D) 200 N

Browse the problem library