Friction and drag Flashcards
1
Q
Friction
A
the interaction of surfaces over one and another
2
Q
Drag
A
when a object is moving through a fluid, such as air or water.
3
Q
Non - Contacts Forces
A
When two object are NOT physically touching
- e.g Magnetic,gravitaional
4
Q
Contact Forces
A
- when two objects are physically touching
- e.g air resistance, tension , friction
5
Q
Resultant Force
A
The overall force that acts on a object
6
Q
Reaction force
A
the support force provided by a solid surface like a floor
7
Q
How do you reduce friction. ?
A
Lubricantion
8
Q
force
A
a push or pull
