Dynamics Flashcards
0
Q
Force is measured in?
A
Newtons
1
Q
What is a force?
A
It is a push or a pull
2
Q
What does zero acceleration mean?
A
The object is at a constant velocity
3
Q
Formula for resultant force
A
F=ma
4
Q
Useful effects of friction are ?
A
Provide grip on objects
And prevent slipping and sliding
5
Q
Negative effects of friction are?
A
Cause wear and tear and slow down motion unnecessarily
6
Q
How to prevent negative effects of friction?
A
Polish the surface and add lubricants to smoothen the surface
