Topic 2 Flashcards
1
Q
How can you lift a massive load using effort a pivot and a Load
A
Have the pivot close to load and effort far ways from load
2
Q
Where is a pivot on the see saw
A
The triangle
3
Q
How to calculate moment
A
F x d
4
Q
How to calculate force
A
Moment(p)/distance
5
Q
How to calculate distance
A
Moment/force
6
Q
What two directions does the moment go
A
Anti clockwise and clockwise
7
Q
If the load is 2N and effort is 0.9 what is the ratio
A
2 x 0.9 = 2:2
8
Q
Calculate ratio if load is 8 and effort is 2.5
A
3:1 as 2.5 x 3= 7,5 so round it up as 8
9
Q
Force x distance (clockwise) =
A
Force x distance ( anti clockwise)
10
Q
What does equilibrium mean
A
Balanced
11
Q
If something is balanced then
A
Anti clockwise side and clockwise side must be same
