Thames & Kosmos Simple Machines handleiding
Handleiding
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Wheels and Axles Section Objective: Experiment to see how
wheels and axles affect the effort force needed to move loads.
Wheel and axle tests
YOU WILL NEED
WHEELS
AND AXLES
A wheel and axle together form a simple
machine that is basically just a lever rotated
around a center axis, or fulcrum. In this case,
the force arm is the distance from the fulcrum
to the edge of the wheel, while the load arm
is the distance from the fulcrum to the edge of
the axle. A small force applied to the edge of
the wheel will result
in a large force at
the edge of the axle.
Alternatively, a slow
turning of the axle will
yield a faster turning
of the outer edge of
the wheel, if speed is
what you are after.
x24 x16
x2
x1
x1
x1
x1
x1
x1
x2 x2 x2 x2 x1
x2
x1
x2
x2 x2
x2 x2
x4
x2 x2 x2
x2
x2 x2 x2 x4 x4
1
2 4 6 8
9
10
11
12
13
14
15
16
17
18 19 21 22 25
27 29
30
34 35 36
38
39 40
41
43 44
x1
42
70 mm
70 mm
Wheel
Axle
Effort ArmLoad Arm
String : about 20 cm
Clamp the string
Follow steps 1 through 5 to
build a simple car with four
wheels and two axles.
HERE’S HOW
1
4
32
EXPERIMENTS 11
–
12
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Productinformatie
| Merk | Thames & Kosmos |
| Model | Simple Machines |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 14232 MB |
