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## 12 Module circular dynamics of particles

The conversion factors for SI system are:

mm

millimeter

cm

centimeter

km

kilometer

in

inch

ft

feet

mi

mile

mm/s

millimeters per second

mm/s2

millimeters per squared second

cm/s

centimeters per second

cm/s2

centimeters per squared second

km/h

kilometers per hour

in/s

inch per second

in/s2

inch per squared second

ft/s

feet per second

ft/s2

feet per squared second

mph

miles per hour

kt

knot

min

minute

h

hour

rpm

revolutions per minute

g

gram

T

metric ton

slug

slug

cv

steam horses

hp

horsepower

N*cm

Newton centimeter

And for the English system are:

in

inch

in/s

inch per second

in/s2

inch per squared second

mm

millimeter

mm/s

millimeters per second

mm/s2

millimeters per squared second

cm

centimeter

cm/s

centimeters per second

cm/s2

centimeters per squared second

m

meter

m/s

meters per second

m/s2

meters per squared second

km

kilometer

km/h

kilometers per second

kt

knot

mi

mile

mph

miles per hour

min

minute

h

hour

rpm

revolutions per minute

g

gram

kg

kilogram

cv

steam horses

hp

horsepower

lb/in

pounds per inch

In this module the forces (elements Force or Friction) are added to the objects (elements Mobile and Spring) placing the force in one of the cell around the object. Each object (if there isn’t in the chalkboard’s border) have 8 cells around it. This module have 42 elements described below, its data, equations, and what elements and combinations allows.

In this module the elements Object in rest, Mobile with linear movement, Mobile with circular movement, Mobile with polar circular movement, Spring and Center of rotation are used to set the initial and final state, separately, of the problem. Then both states are related through the elements Energy, Angular Momentum, Linear Momentum and/or Power. The element Mobile with perpendicular circular movement can be used to set/know additional conditions (see examples).

Note: Items Energy, Angular Momentum, Linear Momentum and Power, admit only certain combinations of objects. And although in general the user should not worry about this, at the end of this section we provides as reference a complete list of supported combinations for each of these elements.

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