Science: Inclined Plane, Wedge, and Screw

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Wedge

A double inclined plane

Inclined Plane

A ramp or slope

False

A screw is simply a form of a wedge

Efficiency

AMA/IMA

Effort

An inclined plane reduces the______ needed to move a load vertically

Screw

An inclined plane wrapped around a cylinder

Ideal Mechanical Advantage/ IMA

Length (the effort distance) of the ramp divided by its vertical height (the resistance distance)

Internal

On the inside

External

On the outside

Actual Mechanical Advantage/ AMA

The Resistance force divided by the effort force

Friction

The efficiency of the wedge is low because of....

de

The effort distance

Fe

The effort force

dr

The resistance distance

Fr

The resistance force

Angle/Slope

To increase IMA, decrease the....


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