Pulleys Flashcards
1
Q
Pulleys act to….
A
Change the direction of force and are often used as force multipliers
2
Q
The number of ropes holding up the load is equivalent to….
A
The factor by which the force is reduced
3
Q
How do you calculate the effort?
A
Load divided by number of ropes
4
Q
Count the ropes across the….
A
Middle of the pulley system which are holding the load up
5
Q
Increasing the number of pulley ropes affects the….
A
Effort force by reducing the effort needed to
6
Q
What is the force that starts to have a big impact as more pulleys and rope is introduced?
A
Friction
7
Q
How do you calculate the load?
A
Ropes x effort
