Competency #4
Analyze Situations involving Archimedes' or Bernoulli's Principle
Learning Objective d
- d. Draw a force diagram for a fully submerged object
Question
Write down your answer to the following question:
A rock with a weight of 5 N is placed into a container of vegetable oil. As the rock enters the water, 3 N of oil is displaced and the rock sinks to the bottom of the container. Draw two force diagrams for the rock:
- As it is sinking (fully submerged, but before it gets to the bottom)
- As it sits on the bottom of the container (motionless)
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