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M14b-part b Introduction to the moment of a force (torque). Part 2b of 3. The Principle of Moments
Steve4Physics
67 views
What the Principle of Moments is, and how to use it. Includes explanations of adding moments, the sign convention for moments, the agebraic sum of moments and rotational e...
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M14b-part a. Introduction to the moment of a force (torque). Part 2a of 3. Centre of Gravity
Steve4Physics
327 views
Explains the meaning of 'centre of gravity' and shows how it can be used in moment calculations. Also explains the difference between 'centre of mass' and 'centre of gravity'.
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M14a Introduction to the moment of a force (torque). Part 1 of 3.
Steve4Physics
563 views
Introduces the concept of the moment of a force (torque) and how to calculate it.
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M13d Introduction to Forces. Part 4 of 4. Tension and Compression.
Steve4Physics
171 views
Explains the concepts of tension and compression and gives examples of different situations where they are used.
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M13c Introduction to Forces. Part 3 of 4. Friction
Steve4Physics
281 views
Introduces friction - causes and effects. Explains static friction, limiting friction, coefficient of static friction and related calculations. Then covers kinetic fricti...
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M13b Introduction to Forces. Part 2 of 4. Normal Reaction (normal force)
Steve4Physics
362 views
Explains 'normal reaction' ('normal force'). How to calculate it:
on a horizontal surface; on an inclined plane; and in an accelerating system.
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M13a Introduction to Forces. Part 1 of 4. Weight
Steve4Physics
262 views
Introductory lesson in a series of lessons about force. Provides a brief introduction to the study of forces and then discusses 'weight'. Subsequent parts of the lesson wil...
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M12c Projectiles Part 3 of 3
Steve4Physics
381 views
How to deal with basic projectile calculations
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M12b Projectiles Part 2 of 3
Steve4Physics
335 views
How to do calculations involving horizontal projectiles.
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M12a Projectiles Part 1 of 3
Steve4Physics
1,039 views
Introduction to projectiles. Reviews what background knowledge you need. Explains the basic motion of a horizontal projectile in terms of its velocity components.
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