Physics – Floatation

1. What happens to an object if its density is higher than the density of the fluid?

  1. It sinks
  2. It floats
  3. It remains suspended
  4. It evaporates
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Answer: Option A. It sinks

2. Who first explained the principle of floatation?

  1. Archimedes
  2. Newton
  3. Galileo
  4. Einstein
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Answer: Option A. Archimedes

3. Which of the following is NOT an application of the principle of floatation?

  1. Ship sailing
  2. Submarine diving
  3. Airplane flight
  4. Hot air ballooning
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Answer: Option C. Airplane flight

4. Which factors affect buoyancy

  1. Color of the object
  2. Density of the fluid
  3. Shape of the container
  4. Temperature of the object
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Answer: Option B. Density of the fluid

5) What is the name of the upward force experienced by an object when it is submerged in a fluid?

  1. Gravitational force
  2. Magnetic force
  3. Frictional force
  4. Buoyant force
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Answer: Option D. Buoyant force