Lesson 5 — Finishing 1.2 + Start friction

This lesson
• Recap
• Discussing the homework
• Working independently

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Slide 1: Tekstslide
Natuurkunde / ScheikundeMiddelbare schoolhavo, vwoLeerjaar 1

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This lesson
• Recap
• Discussing the homework
• Working independently

Slide 1 -Tekstslide

Learning goals
•  Describe the effects of balanced and unbalanced forces on the motion of objects
• Apply what we learned in §1.2 in Exercise E
• Start §1.3 Friction

Recap?

Slide 3 -Tekstslide

Balanced forces?

Unbalanced forces?

Resultant force?

Slide 7 -Tekstslide

• Forces in the same direction add up.

• Forces in opposite direction cancel out.

Slide 11 -Tekstslide

What do these words mean?
Stationary?

Constant Velocity?

Acceleration?

Slide 12 -Tekstslide

What do these words mean?
Stationary?  - Standing still

Constant Velocity?

Acceleration?

Slide 13 -Tekstslide

What do these words mean?
Stationary?  - Standing still

Acceleration?

Slide 14 -Tekstslide

What do these words mean?
Stationary?  - Standing still

Acceleration? - speeding up (or slowing down)

Slide 15 -Tekstslide

balanced forces
Unbalanced forces
stationary objects
Moving objects

Slide 16 -Tekstslide

balanced forces
Unbalanced forces
stationary objects
stays stationary
starts moving
Moving objects
keeps the same speed
accelerates/ decelerates

Slide 17 -Tekstslide

Balanced forces
• Stationary object stay stationary.
• Moving object move at a constant velocity.

Unbalanced forces
• Stationary objects are forced into motion.
• Moving objects are forced to accelerate or decelerate.

Discussing
the homework

Slide 19 -Tekstslide

Discussing
the worksheet

3. Done —> Do workbook exercise E

Slide 20 -Tekstslide

Working independently
Do: Workbook 1.2 – Exercise E

Done?
Do: Workbook exercises 1.3 + Textbook yellow block exercises

Slide 21 -Tekstslide

Learning goals
•  Describe the effects of balanced and unbalanced forces on the motion of objects
• Apply what we learned in §1.2 in Exercise E
• Start §1.3 Friction

Slide 22 -Tekstslide

Homework
• Workbook 1.2 exercise E