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Q 1/16
Score 0
An object can float provided _________ is _____________ than the _____ of the fluid,
30
mass .... less .... mass
density ..... less ..... density
density .... less ... mass
mass .... greater ... density
Q 2/16
Score 0
The buoyant force on an object is dependent on
30
the object's density
the weight of the fluid displaced
the shape of the object
the mass of the object
16 questions
Q.
An object can float provided _________ is _____________ than the _____ of the fluid,
1
30 sec
Q.
The buoyant force on an object is dependent on
2
30 sec
Q.
The property that most determines whether or not an object will float in oil is the object's
3
30 sec
Q.
Does the air exert a buoyant force on my pencil if I throw it across the room?
4
30 sec
Q.
The buoyant force on an object submerged in a fluid depends on (choose 2)
5
30 sec
Q.
An object is placed in a fluid. The buoyant force on the object is proportional to
6
30 sec
Q.
Why does a duck float?
7
30 sec
Q.
A wooden boat with a density of 0.48 g/cc is floating in a vat of oil whose density is 0.80 g/cc. What percentage of the boat is floating above the surface of the oil?
8
30 sec
Q.
Oil has a smaller density than water. Therefore, an object that will float in oil will
9
30 sec
Q.
Which has a greater buoyant force acting on it, a floating 100 g piece of wood, or a floating 50 g piece of wood?
10
30 sec
Q.
A rectangular block is floating in a large pot of pure water. The block is floating with one-half of its volume submerged. Salt is slowly poured into and then dissolved into the water. What, if anything, will happen to the block as the salt is introduced into the water?
11
30 sec
Q.
A ship sailing from the ocean (salt-water) into a fresh-water harbour sinks slightly deeper into the water. Does the buoyant force on the ship change?
12
30 sec
Q.
The formula for density is...
13
30 sec
Q.
Archimedes' Principle states that...
14
30 sec
Q.
What is buoyant force?
15
30 sec
Q.
If two objects are made of the same substance and have the same mass, the shape of the object determines whether or not it sinks or floats in a fluid.
