Les 5 — Balanced and unbalanced forces

This lesson
  • Balanced and unbalanced forces
  • The homework
  • Resultant force
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Slide 1: Diapositive
Natuurkunde / ScheikundeMiddelbare schoolhavoLeerjaar 1

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This lesson
  • Balanced and unbalanced forces
  • The homework
  • Resultant force

Slide 1 - Diapositive

https://www.youtube.com/watch?v=n2gQs1mcZHA&ab_channel=Don%27tMemorise
Learning goals
  • Recognise balanced and unbalanced forces.
  • Name two things balanced forces can do.
  • Name two things unbalanced forces can do.
  • Calculate resultant force.

Slide 2 - Diapositive

Cet élément n'a pas d'instructions

Balanced and unbalanced
forces

  • Balanced forces
  • Unbalanced forces
  • Resultant force

Slide 3 - Diapositive

Cet élément n'a pas d'instructions

Balanced and unbalanced
forces

Slide 4 - Diapositive

Cet élément n'a pas d'instructions

Balanced or unbalanced?

Slide 5 - Diapositive

Cet élément n'a pas d'instructions

Balanced or unbalanced?

Slide 6 - Diapositive

Cet élément n'a pas d'instructions

The forces on an object are 
balanced.
How does this effect its motion when...

  • It is stationary?

  • it is moving at a constant speed?

Slide 7 - Diapositive

Cet élément n'a pas d'instructions

Balanced Forces
When an object is...
  • standing still –> keeps standing still

  • Moving –> travels at a constant speed.

Slide 8 - Diapositive

Cet élément n'a pas d'instructions

The forces on an object are unbalanced.
How does this effect its motion when...

  • it is stationary?

  • it is moving at a constant speed?

Slide 9 - Diapositive

Cet élément n'a pas d'instructions

Unbalanced forces
When an object is...
  • standing still –> starts moving

  • Moving –> accelerates or decelerates

Slide 10 - Diapositive

Cet élément n'a pas d'instructions

The homework
1. Unbalanced
2. Balanced
3. 
a) Balanced
a) Unbalanced
a) Unbalanced
What word fits each situation best?
Moving at a constant velocity
Accelerating
Decelerating

Slide 11 - Diapositive

Cet élément n'a pas d'instructions

Learning goals
  • Recognise balanced and unbalanced forces.
  • Name two things balanced forces can do.
  • Name two things unbalanced forces can do.
  • Calculate resultant force.

Slide 12 - Diapositive

Cet élément n'a pas d'instructions

Balanced or unbalanced?
Resultant fore?

Slide 13 - Diapositive

Cet élément n'a pas d'instructions

Balanced or unbalanced?
Resultant fore?

Slide 14 - Diapositive

Cet élément n'a pas d'instructions