Download presentation
Presentation is loading. Please wait.
1
Mechanical Advantage Instructions
Please use this Powerpoint and Pages to gain an understanding of how mechanical advantage works and fill out the note sheet.
2
What is mechanical advantage?
The number of times a machine multiplies the effort force.
3
Lever MA Formula Lever (any class)
MA lever = distance from fulcrum to effort distance from fulcrum to resistance = Le Lr
4
Wheel and axle MA Formula
MA w&a = radius of wheel = rw radius of axle ra
5
Pulleys MA Formula Fixed pulley: Always 1 (does not change the force, only direction) Moveable Pulley/Block and Tackle = the number of sections of rope that support the object **If the string goes up, count it **If the string goes down, don’t count it
6
Inclined Plane MA Formula
MA inclined plane = length of incline = L height of incline h
7
Please try the calculations on the back of your Mechanical Advantage paper!
Similar presentations
© 2024 SlidePlayer.com Inc.
All rights reserved.