PLTW/POE/SIMPLE MACHINES/Wedges and Screws

All of these are characteristics of a wedge except for:

• Functions as a moving inclined plane

• Tapers to a thin edge and is used for splitting

• Used for raising heavy bodies

• Can be used for tightening by being driven into something

• Used in a wheelbarrow

A wedge is a _________ shaped object

• Triangular
• Circular
• Cube
• Apple

A wedge is thick at one end and ______ at the other end

• pizza

• stays the same

• tapers

• gets even thicker

Is a doorstop a wedge?

• True

• False

Is a tooth a wedge(Think, does it split or break things apart?)

• True

• False

 A shovel is a wedge True  or False?

• True
• False

A wedge is made up of 2 what?

• Incline planes

• Ramps

• You don't know

• Screws

Which wedges increases the distance over which work is done?

• longer

• shorter

• the distance is the same

Which wedge requires more input force?

• longer

• shorter

• they require the same input force

Tags

NGSS.MS-ETS1-2

Which wedge uses the least input force?

• longer

• shorter

• they both use the same input force

Tags

NGSS.MS-PS2-2