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Line 41: − + − '''Stop/Start:''' allows you to stop time and start it again, allowing you to build constructions without them collapsing while you work. Note that since version 5 you can now use the Grab tool while time is stopped to easily re-arrange the position of objects. ''<Ctrl>+space''+ + + + + − '''Draw:''' click and hold to draw any shape you'd like! ''<Ctrl+D>''+ − − '''Circle:''' circles of any radius. Click (center) drag and release (outer edge). ''<Ctrl+C>'' − − '''Triangle:''' triangles (equilateral) of any size and initial rotation. Click (center of base) drag and release. ''<Ctrl+T>'' − + + + + + + + + + + + − '''Polygon:''' as many sides as you would like. Draw your own N-gon. Click, drag and release for each point, to end return to the start point. ''<Ctrl+P>''+ − '''Grab:''' drag existing objects around with the mouse. ''<Ctrl+G>''+ + + + − '''Motor:''' click an object to pin and drive it with clockwise rotation. It is easiest to stop the simulation, place your object, add its motor, and resume the simulation again. ''<Ctrl+M>''+ − '''Pin:''' pin a shape to the screen, it can rotate about the pin. If you want to lock a shape in place, use two or more pins to stop it rotating. ''<Ctrl+O>''+ − '''Joint:''' connect two objects together with a rod. Click on any object, drag to another object and release to create the joint (each end of joint allows rotation). ''<Ctrl+J>''+ − '''Erase:''' click on an object to erase it, or click and hold to draw a line of destruction--erasing everything in its path! ''<Ctrl+E>''+
→Tools
== Tools ==
== Tools ==
[[Image:physics-toolbar.png|800px]]
[[Image:Physics-main-toolbar|1024px]]
;Activity Toolbar Button: Opens the activity toolbar (where you can share Physics for collaboration)
;Tools Toolbar Button: Opens the tools toolbar (See below)
;Play/Pause Button: allows you to stop time and start it again, allowing you to build constructions without them falling to the ground while you work. You can now use the Grab tool while time is stopped to easily re-arrange the position of objects. ''<Ctrl+space>''
;Erase Tool Button: click on an object to erase it, or click and hold to draw a line of destruction--erasing everything in its path! ''<Ctrl+E>''
;Erase-all Button: Erase all objects in current simulation
[[Image:physics-toolbar.png|800px]]
'''Box:''' rectangles of any dimension. Click (corner) drag + release (opposite corner). ''<Ctrl+B>''
;Draw Tool Button: click and hold to draw any shape you'd like! ''<Ctrl+D>''
;Circle Tool Button: circles of any radius. Click (center) drag and release (outer edge). ''<Ctrl+C>''
;Triangle Tool Button: triangles (equilateral) of any size and initial rotation. Click (center of base) drag and release. ''<Ctrl+T>''
;Box Tool Button: rectangles of any dimension. Click (corner) drag + release (opposite corner). ''<Ctrl+B>''
;Polygon Tool Button: as many sides as you would like. Draw your own N-gon. Click, drag and release for each point, to end return to the start point. ''<Ctrl+P>''
;Grab Tool Button: drag existing objects around with the mouse. ''<Ctrl+G>''
;Motor Tool Button: click an object to pin and drive it with clockwise rotation. It is easiest to stop the simulation, place your object, add its motor, and resume the simulation again. ''<Ctrl+M>''
;Pin Tool Button: pin a shape to the screen, it can rotate about the pin. If you want to lock a shape in place, use two or more pins to stop it rotating. ''<Ctrl+O>''
;Joint Tool Button: connect two objects together with a rod. Click on any object, drag to another object and release to create the joint (each end of joint allows rotation). ''<Ctrl+J>''
;Chain Tool Button: add a flexible chain to connect two objects together. Click and hold to draw any shape. If you start or stop on an object, it becomes connected to the end of the chain (like the joint tool)
;Pen Tool Button: add a pen to any object to trace the motion of that object
[[Image:Physics-object-properties.png]]
All of the objects have palette menus to adjust object properties:
;Mass: feather, wood, and anvil represent light to dense
;Bounciness: bowling ball, baseball, and basketball represent inelastic to very bouncy
;Friction: ice skate, shoe, and sneaker represent low to high coefficient of friction
[[Image:Physics-motor-properties.png]]
The motor has a palette to set speed (fast and slow) and direction (clockwise and counterclockwise)
[[Image:Physics-chain-properties.png]]
The chain has a palette to set the coarseness and weight of the chain elements
{| border="1" cellpadding="20" cellspacing="0"
{| border="1" cellpadding="20" cellspacing="0"