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Inclined Plane Wedge and Screw . A tilted, flat surface. It makes moving things from a high place to a low place easier. An inclined plane makes work easier because you do less work when you push or pull an object up the incline. . Inclined Plane . Real Life Examples . Inclined Plane.

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Presentation Transcript
inclined plane

A tilted, flat surface. It makes moving things from a high place to a low place easier.

An inclined plane makes work easier because you do less work when you push or pull an object up the incline.

Inclined Plane
wedge

A wedge is a special type of inclined plane. It has two or more surfaces that slop to an edge or point.

Wedge
wedge1

Real Life Examples

Wedge

Almost all machines that cut use a wedge. Axes, and knives are sharp tools that are shaped like wedges to help them make work easier.

Pins and needles are examples of pointed wedges.

screw
Screw

A screw is an inclined plane in a spiral form.

A screw is a shaft with an inclined plane around the outside.

The inclined plane on a screw is called a thread.

Head

Shaft

Thread

Point

screws
Screws

As a screw turns, the thread pushes into something. The spiral threads make the screw move.

slide8
Bolt

Nuts and bolts always work together. Bolts have a thread on the outside.

Nuts have a thread on the inside. Turning a nut makes it move along a bolt.

Thread

Head

Shaft

Bolt

screws and bolts

Real Life Example

Wood screw Drill screw Clamp Light bulb

Screws and bolts
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