Forces and their effects Flashcards
1
Q
What are forces?
A
Forces are pushes or pulls between to objects
2
Q
What are forces measured in?
A
Newtons
3
Q
How are forces measured?
A
Newton Meter
4
Q
The size of the force can also be measured by _____
A
The size of the force’s effect
5
Q
The greater the force applied, _____________
A
The greater the stretch or squashing force
6
Q
There is a linear relationship between the __________
A
Size of the force and the resulting stretch
7
Q
For every unit of force ____________
A
There will be the same effect on the stretch (e.g. 1 N causes 3 cm, 2 N causes 6 cm and so on)
8
Q
How are pivots used?
A
To turn things
9
Q
What is a moment?
A
A moment is the turning effect of a force and has the unit Nm
10
Q
Moment = what?
A
Moment = force x distance from pivot
