Thames & Kosmos Simple Machines handleiding

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Thames & Kosmos

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Handleiding

INCLINED

PLANES

An inclined plane is a surface where one side is

higher than the other. When an object is moved

upward along an inclined plane, less force is

needed than when the object is moved straight

up the same vertical distance. The expense is

that the object has to travel a longer distance

when it moves up the ramp. The diagram

below shows how forces act on an object on an

inclined plane. The net force, the force required

to move the object up the ramp,

is less than the force of gravity,

the force required to lift the object

straight up in the air.

Inclined Planes Section Objective: With the levers,

you saw how the effort force decreases when the

effort arm distance increases. Now experiment

to see how inclined planes reduce effort forces.

Ramp

YOU WILL NEED

String: about 20 cm

Clamp

the string

x16 x2

x1 x1

x1 x2 x2

x2 x2

1 4 8 9 13 15 16

17 18 19 20

36 38 39 40 41 42 43 44

HERE’S HOW

Follow steps 1 through 8 to

build the ramp model.

EXPERIMENT 9

Bekijk gratis de handleiding van Thames & Kosmos Simple Machines, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.