Mechanics Flashcards
0
Q
Formula for momentum?
A
p=mv
1
Q
Newtons first law?
A
A body will tremain at rest or moving with constant velocity unless acted upon by an unbalanced force
2
Q
Newtons second law?
A
the rate of change of momentum of a body is directly porpotional to the unbalanced force acting in that body and takes place in same direction
3
Q
Displacement?
A
The distance moved in a particular direction
4
Q
Distance?
A
How far you have travelled from A to B
5
Q
Newton’s third law?
A
If body A exerts a force on body B will exert an equal and opposite force on body A.
6
Q
Law of conservation of momentum?
A
A system of isolated bodies the total momentum is always the same
7
Q
Law of conservation of energy?
A
Energy can neither be created or destroyed - it can only be changed from one form to another
