Overview chapter 2

• Natuurkunde
• Middelbare school
• vwo
• Leerjaar 3

Force

Mass

extension

Spring 

constant

Newton

kilogram

x

C

N/cm

F

A mass of 204 g is hanging on a spring with spring constant 1 N/cm.
What is the extension?

1. 2 cm
2. 204 cm
3. 1 cm
4. 0,2 cm

accelerating

decelerating

uniform motion

Ftotal = 0

Ftotal in direction of motion

phet.colorado.edu

If a planet moves closer to its sun,

1. the velocity increases and the gravitational force decreases.
2. the velocity decreases and the gravitational force increases.
3. the velocity increases and the gravitational force increases.
4. the velocity decreases and the gravitational force decreases.

Compared to normal, the people going down in the roller coaster have

1. the same mass, less weight
2. the same mass, the same weight
3. less mass, less weight
4. less mass, the same weight