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

Slide 2 - Tekstslide


Recap?

Slide 3 - Tekstslide

Balanced forces?

Unbalanced forces?

Slide 4 - Tekstslide

Slide 5 - Tekstslide

Slide 6 - Tekstslide

Resultant force?

Slide 7 - Tekstslide

  • Forces in the same direction add up.

  • Forces in opposite direction cancel out.

Slide 8 - Tekstslide

Slide 9 - Tekstslide

Slide 10 - Tekstslide

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

Constant Velocity? - Steady speed

Acceleration?

Slide 14 - Tekstslide

What do these words mean?
Stationary?  - Standing still

Constant Velocity? - Steady speed

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.

Slide 18 - Tekstslide

Discussing 
the homework

Slide 19 - Tekstslide

Discussing 
the worksheet

  1. Compare your answers with your neighbour.
  2.  One of you gets an answer sheet, check your answers with the answers sheet.
  3. Done —> Do workbook exercise E

Slide 20 - Tekstslide

Working independently
Do: Workbook 1.2 – Exercise E

Done?
Read: Textbook – 1.3 Friction
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

  • Read 1.3 Friction
  • Do yellow block exercises 1.3


Slide 23 - Tekstslide