Activity 1.1.1a Simple Machines Device Construction Principles of Engineering © 2012 Project Lead The Way, Inc.

Presentation includes: instructions for building a simple machines device and measuring mechanical advantage

Base Equipment

Step 1: Assemble the Base

Resistance Equipment Part Name Quantity 3” Drive Shaft 2 1 4” Wheel Shaft Collar 8 Bearing Flat, Delrin Large Spacer 4 Square Plate 5x5 Plus Gusset 3

Step 2: Assemble the resistance force

Lever Equipment

Step 3: Assemble the Lever

Calculating mechanical advantage with the lever Measure distances Measure resistance Measure effort Calculating mechanical advantage with the lever

Wheel and Axle Equipment

Step 4: Assemble the wheel and axle

Calculating mechanical advantage of the wheel and axle Loop string over wheel and axle in opposite directions Calculating mechanical advantage of the wheel and axle

Pulley Equipment

Step 5: Assemble the pulley system

Calculating mechanical advantage of the pulley Fixed Moveable Block and tackle Calculating mechanical advantage of the pulley

Inclined Plane Equipment

Step 6: Assemble the inclined plane

Screw Equipment

Step 7: Assemble the screw