Difference between revisions of "Force and Density"

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(Topics covered)
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=Lesson Order=
 
=Lesson Order=
 
+
Separate
 
*[[4-FAD-01]] Scalars and vectors
 
*[[4-FAD-01]] Scalars and vectors
 
*[[4-FAD-02]] Moments, Principle of moments and Centre of Gravity
 
*[[4-FAD-02]] Moments, Principle of moments and Centre of Gravity
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*[[4-FAD-06]] Density
 
*[[4-FAD-06]] Density
 
*[[4-FAD-07]] Revision and test
 
*[[4-FAD-07]] Revision and test
 +
Dual
 +
*[[4-DFAD-01]] Moments
 +
*[[4-DFAD-02]] Centre of Gravity
 +
*[[4-DFAD-03]] Hooke's Law - Springs and wires
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*[[4-DFAD-04]] Hooke's Law - Elastic bands and round up
 +
*[[4-DFAD-05]] Pressure
 +
*[[4-DFAD-06]] Density
 +
*[[4-DFAD-07]] Revision and test
  
 
=Topics covered=
 
=Topics covered=
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* How extension varies with applied force for helical springs, metal wires and rubber bands
 
* How extension varies with applied force for helical springs, metal wires and rubber bands
 
* Hooke's Law
 
* Hooke's Law
* Elastic behaviour and plastic deformation
+
* Elastic behaviour
 
* Pressure = force / area
 
* Pressure = force / area
 
* Density = mass / volume
 
* Density = mass / volume
 
* Direct measurement of the density of solid and liquid
 
* Direct measurement of the density of solid and liquid
 +
* Reinforcing the practical skills of:
 +
** taking and recording data;
 +
** plotting meaningful and relevant graphs;
 +
** identifying whether a graphical relationship is linear or proportional;
 +
** expressing derrived results to a reasonable number of significant figures;
 +
** identifying how to improve the reliability of data.

Latest revision as of 06:22, 24 November 2010

Lesson Order

Separate

Dual

Topics covered

  • The difference between scalars and vectors
  • Adding forces along a line
  • Recall and use of Moment = force x perpendicular distance from pivot
  • The weight of a body acts through the centre of gravity
  • The principle of moments
  • The upward force on a light beam varies with the position on a heavy object placed on the beam
  • How extension varies with applied force for helical springs, metal wires and rubber bands
  • Hooke's Law
  • Elastic behaviour
  • Pressure = force / area
  • Density = mass / volume
  • Direct measurement of the density of solid and liquid
  • Reinforcing the practical skills of:
    • taking and recording data;
    • plotting meaningful and relevant graphs;
    • identifying whether a graphical relationship is linear or proportional;
    • expressing derrived results to a reasonable number of significant figures;
    • identifying how to improve the reliability of data.