A block of metal weighs 40 N in air and 30 N in water. What is the buoyant force of the water?
A. 10 N
B. 30 N
C. 40 N
D. 70 N
Answer:A
A block of metal weighs 40 N in air and 30 N in water. What is the buoyant force of the water?
A. 10 N B. 30 N C. 40 N D. 70 N