Sinking, Floating and Suspending Investigation:
Test Your Understanding (student handout continued)
5. Draw an FBD for a block that normally sinks but that we have suspended with a string.
6. Is there any evidence for an upward force on the metal block? If so, what is the evidence?
7. What is the magnitude of any upward force on the metal block?
8. What is the magnitude of the upward force on the blocks being pushed underwater?
9. How could we calculate the magnitude of the upward force on a block that is submerged? Does this
force depend on the density of the block? Explain.
