Assessment – Chapter 5 – Quiz Questions #3
pp. 94 - 104

1.      Your ______ is always the same regardless of gravity.

2.      Does the unit “newton” describe mass or weight?

3.      When talking about buoyant force, why is the weight of an object talked about instead of its mass?

4.      If the weight of an object was 500 newtons and the buoyant force was 75 newtons, would the object sink or float?

5.      (Note: Convert units first!) Calculate the volume of a solid:  48 cm (x) 2 meters  (x) 10 cm.

6.      (Note: Convert units first!)  Calculate the volume of a box:  75 cm (x) 3 m (x)  2 m.

7.      An object weighs 135 newtons. What would the buoyant force have to be in order for the object to have neutral buoyancy?

8.      You know that a box can contain a maximum of 150mL of water. Give an example of what the dimensions of the box might be in centimeters.


 

9.      The density of water is 1.0 g/cm³ and the density of wax is 0.9g/cm³. Would wax float or sink in water?

10.  If an object has a volume of 5cm³ and a mass of 20 grams, what is its density?