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WorksheetsFluids and Buoyant Force
Total questions: 11
Worksheet time: 5mins
Name
Class
Date
1.
A nonsolid state of matter in which the atoms or molecules are free to move past each other.
a)
fluid
b)
solid
c)
liquid
d)
gas
2.
_______ is the upward force exerted by a liquid on an object floating in the liquid.
a)
pressure
b)
buoyant force
c)
normal force
d)
fluid force
3.
The buoyant force on floating objects equals the weight of the floating object
a)
true
b)
false
4.
Which fluid is denser?
a)
water
b)
oil
c)
soap
5.
The weight of an object immersed in a fluid is called...
a)
mass
b)
gravity
c)
apparent weight
d)
weight
6.
What is the density of an object with a mass of 2 kg and a displaced volume of 0.001m3 ?
a)
20 kg/m3
b)
2.0 x 103 kg/m3
c)
20,000 kg/m3
7.
Which of the following is a fluid?
a)
ice
b)
iron
c)
titanium
d)
helium
8.
If an object weighing 50.0 N displaces a volume of water with a weight of 10.0 N, what is the buoyant force on the object?
a)
10 N
b)
60 N
c)
40 N
d)
20 N
9.
Which of the following instruments can be used to calculate an object's density in a lab?
a)
graduated cylinder
b)
ruler
c)
Bunsen Burner
d)
microscope
10.
Which bundle weights more?
a)
1 kg of nails
b)
1 kg of cotton
c)
both have the same weight
11.
The SI Unit for density is
a)
kg/m3
b)
kg/cm3
c)
N
d)
Pa
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