Question 1 (1 point)
Which will result in positive buoyancy and cause the object to float?
Question 1 options:
When the force of gravity is more than the buoyant force
When the buoyant force is equal to the force of gravity
When the buoyant force is greater than the force of gravity
When the buoyant force is less than the force of gravity
Save
Question 2 (1 point)
True or False: Density is a measure of how tightly the mass of an object is packed. It can be calculated using D= m/V.
Question 2 options:
True
False
Save
Question 3 (1 point)
An object weighing 80 kg is floating in a fluid. How does the object's density compare to the the density of the fluid?
Question 3 options:
The object is more dense than the fluid.
Not enough information is given.
The object has the same density as the fluid.
The object is less dense than the fluid.
Save
Question 4 (1 point)
How could you make plastic sink and steel float?
Question 4 options:
Add more water.
You can't because steel will always sink since it is more dense than water.
Change the shape and therefore surface area.
Remove some of the mass from each material.
Save
Question 5 (1 point)
Fill in the blank: An object is most likely to sink in water if _________________.
