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Sci 8 Unit A Lesson 10 Pressure

Total questions: 20

Worksheet time: 34mins

Name
Class
Date
1.
What happens?
a)
Neither piston moves
b)
Piston A goes up and B goes down
c)
Piston B goes up and A goes down
d)
Both pistons go down
2.
Which of the statements is true?
a)
The bottom of the boot exerts more pressure than the high-heeled shoe as a result of an increase in surface area.
b)
The bottom of the high-heeled shoe exerts more pressure than the boot as a result of an decrease in surface area.
c)
The bottom of the high-heeled shoe exerts the same pressure as the bottom of the boot.
3.
A unit of pressure is called a 
a)
bernoulli
b)
pascal
c)
pound
d)
meter
4.
Convert 10 kg to Newtons
a)
0.098 N
b)
4.5 N
c)
100 N
d)
980 N
5.

What is the SI unit use for hydraulic pressure?

a)

Kg/m3

b)

Pa

c)

Litre

d)

Kilometer

6.

What is the formula for pressure?

a)

P=A/F

b)

P=FA

c)

P=F/A

7.
What principle is this hydraulic press showing?
a)
Archimedes' Principle
b)
Bernoulli's Principle
c)
Pascal's Principle
d)
Principle Testa
8.

Hydraulics use liquids as a force to do work.

a)

True

b)

False

9.

To calculate pressure you need to know ...

a)

Force & Volume

b)

Density & Volume

c)

Power & Area

d)

Force & Area

10.

If the horse reared up on 2 legs what effect would it have on the pressure?

a)

it will exert half the pressure it did before

b)

it will exert the same pressure it did before

c)

it will exert twice the pressure it did before

d)

it will exert four times the pressure it did before

11.
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
12.

The water pressure on a fish in a fish bowl is ....

a)

the same all over it's body

b)

higher underneath it

c)

higher above it

d)

higher on it's head

13.
In what direction(s) does air exert pressure?
a)
everywhere
b)
no where
c)
there is no pressure
d)
downward
14.

As the air is warmed how does it density change?

a)

It increases

b)

It Remains the same

c)

It decreases

15.

When force increases...

a)

pressure increases

b)

pressure decreases

c)

pressure stays the same

d)

pressure increases then decreases

16.

When area increases...

a)

pressure increases

b)

pressure decreases

c)

pressure stays the same

d)

pressure increases then decreases

17.
A system that multiplies force by transmitting pressure from a small surface area through a confined fluid to a larger surface area.
a)
hydraulic system
b)
archimedes system
c)
pressure system
d)
bernoulli effect
18.

Which state of matter is the most compressible?

a)

Solid

b)

Liquid

c)

Gas

d)

Tie between liquid and gas

19.

A hydraulic system has 2000N applied to an input piston that has an area of 10m2.

a)

200 Pa

b)

20 Pa

c)

200 N

d)

20 N

20.

A hydraulic system has 560N applied to an input piston that has an area of 1.5m2.

a)

373 N

b)

37.3 N

c)

373 Pa

d)

37.3 Pa

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