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Les 5 — Balanced and unbalanced forces
This lesson
Balanced and unbalanced forces
A video
Resultant force
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Natuurkunde / Scheikunde
Middelbare school
havo
Leerjaar 1
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This lesson
Balanced and unbalanced forces
A video
Resultant force
Slide 1 - Diapositive
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
§1.2 Balanced and unbalanced
forces
Balanced forces
Unbalanced forces
Resultant force
Slide 3 - Diapositive
Balanced and unbalanced
forces
Slide 4 - Diapositive
Video — Exercise
Acceleration
Deceleration
Constant velocity
Stationary
Weight
equal
What do the words below mean?
Discuss in pairs and write down your answer
Slide 5 - Diapositive
Acceleration
Speeding up
Decceleration
Slowing down
Constant velocity
Traveling at one speed
Stationary
Standing still
Weight
The force that pulls you to the earth
Equal
Two things being the same
Slide 6 - Diapositive
0
Slide 7 - Vidéo
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 8 - Diapositive
Balanced Forces
When an object is...
standing still –> keeps standing still
Moving –> travels at a constant speed.
Slide 9 - Diapositive
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 10 - Diapositive
Unbalanced forces
When an object is...
standing still –> starts moving
Moving –> accelerates or decelerates
Slide 11 - Diapositive
Resultant force
Homework
Read:
'Resultant force' on page 11
Do:
the workbook exercises of §1.2
Slide 12 - Diapositive
Resultant force?
Slide 13 - Diapositive
Resultant force?
Slide 14 - Diapositive
Resultant force?
Slide 15 - Diapositive
Resultant force?
Slide 16 - Diapositive
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 17 - Diapositive
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