P2.3.5 - Simple machines Flashcards
1
Q
What is a force multiplier?
A
When a small effort on one side of the lever, leads to a large load on a body on the opposite side of the pivot
2
Q
What is mechanical advantage?
A
The ratio of the load to the effort
3
Q
What is the equation for mechanical advantage?
A
Mechanical Advantage = load/effort
4
Q
What is equation for mechanical advantage for gears?
A
Mechanical Advantage = Output cog radius/Input cog radius
5
Q
If a gear with 10 teeth rotates twice, how many times will a gear with 20 teeth rotate?
A
1 time
