Physic In Action

Question file is attached

1.

In

a

hydraulic

process

(as

pictured

above),

a

20-­‐kg

load

on

the

left

piston

will

support

a

600-­‐kg

load

on

the

right

piston.

How

does

the

pressure

of

fluid

against

the

lower

part

of

the

left

piston

compare

with

the

pressure

against

the

lower

right

piston

(greater

on

right,

greater

on

left,

or

the

same

pressure

on

each)?

2.

What

principle

is

used

to

answer

question

#1?

3.

What

is

the

purpose

of

an

enclosed

hydraulic

system?

Describe

a

hydraulic

process

like

this

one

used

in

the

real

world.

You

may

draw

a

diagram

to

help

explain.

4.

Given

the

area

of

the

left

piston

(under

the

20-­‐kg

mass)

is

4

m2,

what

is

the

area

of

the

right

piston

(under

the

600-­‐kg

mass)?

5.

If

the

mass

on

top

of

the

left

piston

was

doubled

to

40

kg,

how

would

this

affect

the

upward

force

on

the

right

piston?

Use

the

areas

given

and

calculated

in

#4