Newtons 2nd law Flashcards
1
Q
what is the 2nd law
A
an object will accelerate {change speed}if is acted on by an unbalanced force
2
Q
what is the formula
A
F=ma
3
Q
what does F means
A
unbalanced force on the object
N
4
Q
what does m means
A
mass of the object
kg
5
Q
what does a means
A
acceleration of the object
ms-2
6
Q
how to increase acceleration
A
- increase the force
2. decrease the mass
7
Q
If you double the unbalanced force on an object what will happen to the acceleration
A
the acceleration will also double (if the mass stays the same)
8
Q
If you double the mass of an object, while the force stays the same what will happen to the acceleration
A
the acceleration will halve.
