Difference between revisions of "Force and Density"
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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 | ||
Line 8: | Line 8: | ||
*[[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 | ||
+ | *[[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= | ||
Line 18: | Line 26: | ||
* 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 | + | * 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
- 4-FAD-01 Scalars and vectors
- 4-FAD-02 Moments, Principle of moments and Centre of Gravity
- 4-FAD-03 Applying the principle of moments
- 4-FAD-04 Hooke's Law
- 4-FAD-05 Pressure
- 4-FAD-06 Density
- 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
- 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
- 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.