Yr9 physics Flashcards
1
Q
What’s the formula for speed
A
Speed= distance x time
2
Q
What’s the formula for acceleration
A
Acceleration = change in velocity/change in time
3
Q
What’s a resultant force
A
It’s a single force that replaces all the forces altering on an object
4
Q
What’s newtons 1st law
A
An object won’t change its motion unless a force acts on it
5
Q
What’s newtons 2nd law
A
The force on an object is equal to its mass times its acceleration f=ma
6
Q
What’s newtons 3rd law
A
When 2 objects interact they apply forces to each other of equal magnitude and opposite direction
7
Q
A
