'Boat oars' diaporamas de présentation

Forestry

823 views • 49 slides

Wordsplash

253 views • 15 slides

Common Tree Uses

Common Tree Uses. Red Maple. Light colored wood furniture, paneling, moldings, doors, turnings, and musical instruments. about 25 percent less hard than sugar maple. Black Cherry. Most economically valued wood in PA Reddish brown wood and grains Used for veneer

320 views • 14 slides

Mechanical Advantage

Mechanical Advantage. What do simple machines do for us anyway?. There are four ways that a machine helps us to do work. Transfers our effort force from one place to another. Ex: seesaw Multiply your effort force. Ex: crowbar Magnify speed and distance. Ex: baseball bat

348 views • 11 slides

Mechanical Advantage

Mechanical Advantage. What do simple machines do for us anyway?. There are four ways that a machine helps us to do work. Transfers our effort force from one place to another. Ex: seesaw Multiply your effort force. Ex: crowbar Magnify speed and distance. Ex: baseball bat

228 views • 11 slides