Newtons Law Flashcards
1
Q
What is newtons 1st law about
A
Balanced forces
2
Q
Name 2 things that happens to the object if balanced
A
If object is moving, the speed remains constant
Of object is at rest, it will remain at rest
3
Q
What is newtons 2nd law about
A
Unbalanced forces
4
Q
How do u calculate unbalanced force ?
A
F= mass x acceleration
5
Q
Work done and energy:
How do you calculate it ?
A
Ew= Force x distance
6
Q
What is the unit for force ?
A
Newtons
7
Q
Work done units ?
A
Joules
8
Q
What are the two forces that act on a rocket ?
A
Weight and thrust
9
Q
Newtons 3rd law ?
A
For every action there is an equal but opposite reaction force
