1 / 13

# S. Coghlan - PowerPoint PPT Presentation

Physics 12. Forces and Equilibrium. Concept Map. S. Coghlan. This concept map is designed to help you;. Understand how the various different parts of forces and equilibrium link together. Study the whole section of work. Main Concepts. Printer friendly version available from my web site.

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.

## PowerPoint Slideshow about ' S. Coghlan' - sanam

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

Forces and

Equilibrium

Concept Map

S. Coghlan

Understand how the various different parts of forces and equilibrium link together.

Study the whole section of work.

Main Concepts

Printer friendly version available from my web site

S. Coghlan

CM = ACM Torque F x d

Centre of mass Centre of gravity

Equilibrium

may produce have

involves

show

Forces and Equilibrium

Centre of gravity

Torque

F x d

Principal of moments

have

may produce

involves

show

Equilibrium

Forces and Equilibrium

rotational equilibrium

types conditions

Centre of gravity

Torque

F x d

Centre of mass

Principal of moments

have

may produce

involves

show

Equilibrium

Forces and Equilibrium

Centre of gravity

rotational

equilibrium

Torque

F x d

Centre of mass

Principal of moments

Stable

have

may produce

involves

types

Forces and Equilibrium

show

Equilibrium

Neutral

conditions

Unstable

 FH = 0

 FV = 0

 M = 0

Single page concept map

The End

Forces and

Equilibrium

Concept Map

S. Coghlan

You can use these Main Concepts and Linking Words to complete your own concept map. You can print out the next page and use it as a framework.

• Principal of moments

• CM = ACM Torque F x d

• Centre of mass Centre of gravity

• Equilibrium

• CM = ACM

• FV = 0  FH = 0

• M = 0

Stable Neutral Unstable

may produce

involves have

show

rotational equilibrium

types conditions

strain

Printer friendly version available from my web site

Centre of gravity

rotational

equilibrium

Torque

F x d

Centre of mass

Principal of moments

Stable

have

may produce

Neutral

involves

types

Structures & Materials

show

Equilibrium

conditions

Unstable

 FH = 0

 FV = 0

 M = 0

Centre of gravity

Centre of Mass 

Centre of gravity

1 m

Uniform object - geometrical centre.

Gravitational field strength, g, is the same everywhere for the body.

Object is so large that the

gravitational field strength

may not be the same

everywhere over the body.

Force

Force

Torque

= F x d

Lever

d

Lever

d

Pivot Point

Pivot Point

d is always at right angles to the line of action of the force

returns to its

original position

remains

displaced

continues to

move and c of m

lowers

Neutral

equilibrium

Unstable

equilibrium

Stable

equilibrium