2.4 Newton's Laws of motion Flashcards
1
Q
Newtons first law
A
An object will remain at rest or in uniform motion in a straight line unless acted upon by an external force
2
Q
Newtons second law
A
f = ma
3
Q
Newtons third law
A
for every action there is an equal and opposite reaction
4
Q
interaction of forces
A
- the forces are always the same type
- the paired forces act on different objects
5
Q
state 2 way mass differs from weight
A
- mass = kg weight = N
- mass is intrinsic property where as weight can change depending on the gfs