Newtons laws of motion Flashcards
(6 cards)
1
Q
First law
A
Objects either stay at rest or move with constant velocity unless acted upon by a resultant force
2
Q
Second law
A
The rate of change of momentum of an object is proportional to the resultant force acting on it
3
Q
Third law
A
If body a exerts a force on body b then body b will exert an equal size force on body a in the opposite direction
4
Q
What is weight ?
A
The force acting on an object due to gravity
5
Q
What is mass ?
A
A measure of the amount of the amount of material
6
Q
Third law in detail
A
The forces are always:
Are always the same type of force
Always have the same magnitude
Always act along the same line
Always act on different bodies
Always act in the opposite direction
