Acceleration & deceleration

• Natuurkunde
• Middelbare school
• havo, vwo
• Leerjaar 2,3

Acceleration & deceleration

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You can analyse a motion by looking at the distance travelled

You can explain the relationship between force and acceleration

You can explain the relationship between acceleration and speed

You can explain the difference between scalars and vectors

Can you describe this motion?

Every photo of the car resembles a moment in time.

When these photos are taken every second, the distance in between these photos will tell you something about the speed in that timeframe.

Force and motion

With a constant speed, 

the resultant force is zero.

But if there is a resultant force, the direction of this force in relation to your motion will decide if you will start 

to accelerate or decelerate

Do you remember?

You can't see the force itself, but you can recognize that a force is at work 

when you see the result of an objects interaction with that force:

1. a change in speed
2. a change in direction
3. a change in shape (plastic or elastic)

G-forces

G forces is about the weight you feel.

2 G means that you feel as if your weight has increased 2 times.

This feeling is caused by a combination of the gravitational force on your body and the force you feel as the result of an acceleration or deceleration

Scalars & vectors

Scalars are quantities which are described by magnitude only.

Vectors are quantitues which are described  by both a magnitude and a direction

Read paragraph 4.4

Make 61 t/m 73 + 

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