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Revision -Properties of Fluids

Total questions: 15

Worksheet time: 1hrs 9mins

Name
Class
Date
1.
If an object sinks in a fluid, _____.
a)
the density of the fluid is greater than the density of the object
b)
the density of the fluid is less than the density of the object
c)
the density of the fluid is equal to the density of the object
d)
density has nothing to do with whether an object sinks or floats, only which state of matter the object is
2.

What do we call the the amount of force exerted on a certain area?

a)

fluid

b)

pressure

c)

buoyant force

d)

normal force

3.

The upward force exerted by a fluid is called the...

a)

buoyancy force

b)

density force

c)

fluidity force

d)

normal force

4.
Car brakes and car jacks are examples of
a)
hydraulic systems
b)
archimedes' principle
c)
atmospheric pressure
d)
buoyancy
5.
Water pressure increases as depth increases. 
a)
True
b)
False
6.
A fluid's resistance to flow is its
a)
viscosity.
b)
density.
c)
pressure.
d)
buoyancy.
7.
Mass per unit volume is
a)
buoyancy.
b)
density.
c)
pressure.
d)
viscosity.
8.

If an object has a density of 3.6 g/mL and you put it into water (density =1.0g/mL,) will it sink or float?

a)

sink

b)

float

9.

Waste water is flowing through a sewage pipe of area 4m2 , at a rate of 3m/s; What is the velocity of the water when it reaches a wider portion of the pipe of area 6m2 ?

a)

3m/s

b)

0m/s

c)

6m/s

d)

2m/s

10.

What is the SI unit use for hydraulic pressure?

a)

Kg/m3

b)

Pa

c)

Litre

d)

Kilometer

11.

What is the formula for pressure?

a)

P=A/F

b)

P=FA

c)

P=F/A

12.
The pressure resulting from a force of 50 N exerted over an area of 5 m2 is
a)
10 N
b)
0.1 N
c)
10 N/m2
d)
0.1 Pa
13.

When area increases...

a)

pressure increases

b)

pressure decreases

c)

pressure stays the same

d)

pressure increases then decreases

14.
The pressure in a fluid is affected by which characteristic of that fluid?
a)
the amount of hydrogen atoms in the fluid
b)
the weight of the fluid
c)
the gravity of the fluid
d)
the amount of oxygen atoms in the fluid
15.
Which state or states of matter is a fluid?
a)
gas
b)
liquid
c)
solid
d)
both gases and liquids

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