JAMB - Physics (2016 - No. 39)
A body which weighs 50N in air displaces 3.7kg of water when partially immersed in water. Calculate the upthrust on the body?
8.7N
37.0N
87.0N
13.0N
คำอธิบาย
Upthrust = Weight or water displaced
= 3.7 x 10 = 37N
= 3.7 x 10 = 37N