1) Which statement correctly describes the condition for an object to float in a fluid? a) Upthrust equals the object's weight b) Upthrust is less than the object's weight c) Upthrust is greater than the object's weight d) Weight is greater than the volume of fluid displaced 2) When an object sinks in water, the upthrust is a) Equal to the object's weight b) Less than the object's weight c) Greater than the object's weight d) Equal to the object's volume 3) Which principle explains the relationship between upthrust and floatation? a) Newton’s first law b) Pascal’s law c) Archimedes’ principle d) Boyle’s law 4) A submarine can sink or float by changing.. a) Speed b) Colour c) Shape d) Density 5) A ship floats because.. a) It is hollow b) It is light in colour c) Water is less dense than steel d) Gravity is weak on water 6) The reason ice floats in water is.. a) It has a higher density than water b) It has a lower density than water c) It has no weight d) It displaces no water 7) Which condition makes an object sink? a) Upthrust equals weight b) Upthrust is greater than weight c) Upthrust is less than weight d) Upthrust equals fluid density 8) When an object is fully submerged but still floats, the upthrust is.. a) Equal to the object’s weight b) Greater than the object’s weight c) Less than the object’s weight d) Equal to zero 9) An iron ship floats while a solid iron block sinks because.. a) The ship’s overall density is less than water b) The ship is painted c) The block is heavier than the ship d) Gravity is weaker on the ship 10) Which condition makes an object sink? a) Upthrust equals weight b) Upthrust is greater than weight c) Upthrust is less than weight d) Upthrust equals fluid density

Describe how upthrust relate to floatation in fluids

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