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Informacje i wskazówki
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Dynamics phycics 1 liceum, Notatki z Fizyka

Notes from dynamics in English

Typologia: Notatki

2022/2023

Załadowany 10.03.2023

martwa
martwa 🇵🇱

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bg1
Dynamics abranchofmechanics devotedtothestudy oftherelationship
betweenbodymovementandthe
forcesactingon it
Research issues
the determination ofthe
forces acting onthebodywhen its movement is
known
determinationofthe movementofthebodyunder the actionofknown
forces
Force siła
EFJ KgBz N
Avectorphysicalquantity thatmeasures theeffectsofchangingvelocity
or changingtheshapeof abody Itcanact on thebodydirectly or
throughfieldsemanatingfromanotherbody
Momentofforce
Te angularacceleration dependson
values oftheforce
distancefromthe axis ofrotation
theangle that the line ofactionof the force makes with the
direction to the axis ofrotation
IIII FNm
MI IiIII sinCi FI
Themomentof aforce Iaboutthe
point Ex
is ofrotation is the rector
product oftherectorleading tothepointwheretheforceFisappliedand
this
force theorigin ilies atthepoint 01
wektor pzaczepiony
jest
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Dynamics

a

branch

of

mechanics

devoted

to

the

study

of

the relationship

between

body

movement

and the

forces

acting

on it

Research

issues

the

determination

of

the forces acting

on the

body

when

its

movement

is

known

determination

of

the

movement

of

the

body

under the

action

of

known

forces

Force siła

E

FJ

KgBz

N

Avector

physical

quantity

that

measures

theeffects

of

changing

velocity

or

changing

the shape

of

a

body

It

can

act

on the

bodydirectly

or

throughfields emanating

from

another

body

Moment

of

force

Te

angular

acceleration

depends on

values

of

the

force

distance

from

the

axis

of

rotation

the

angle

that the line

of

action

of

the

force

makes

with

the

direction to

the axis

of

rotation

I

III F Nm

MI

I

i

III sin Ci

F

I

The

moment

of

a

force

I

about

the

point

Ex

is

of

rotation

is

the

rector

product

of

the

rector

leading

to the point

where

the

force

Fis

applied

and

this

force

the

origin

i lies

at

the

point

01

wektor

p zaczepiony

jest

Momentom

P

kg

A

vector

quantity

in

direction

of

the

body

velocity

rector

equal

to the product

of

themass

of

the

body

and

its

velocity

p

mi

Thetotal

momentum

of

the

system

of

bodies is

egueal

to

the

sum

vector

drawing

of

individual

bodies

shoots

P

j

Pi

Angular

momentum

j

odległość

od osi

obrotu

E Ex

mi

kg

MI

i moment

pędu

aligned

with

the axis

of

rotation

IE

I

MINIE

Isin Ci Pl

Work

Thework

W

constant

force

F is

expressed

by

the

dIMjrżdżąt

of

the

force

E

and the

displacement

vector Ani

W

FAT

W

J

EJJ

WZIEIIII Fs

W

I

ET

I

ANI

COS

CE

AP

r

IZĘ

W Fs

Conclusions

scalar

siła

dośrodkowa

Wmax

F

I Aż

Et

theecentripetal

force

in the

circle

doesnot

do thework