# 1.2.1- Force

HideShow resource information
How do you calculate the net force?
net force= mass X accleration
1 of 5
What is always true about the net force and acceleration?
The net force and acceleration always act in the same direction
2 of 5
Define the newton
The newton is the force that will give a 1kg mass of acceleration of 1ms-2 in the direction of the force
3 of 5
What is 1 newton equal to ? [ e.g the units ]
1N= 1kg ms-2
4 of 5
What is the special theory of relativity?
The special theory of relativity states that F=ma cannot be used for a particle travelling at very high speeds /speeds approaching the speed of light.
5 of 5

## Other cards in this set

### Card 2

#### Front

What is always true about the net force and acceleration?

#### Back

The net force and acceleration always act in the same direction

### Card 3

#### Front

Define the newton

### Card 4

#### Front

What is 1 newton equal to ? [ e.g the units ]

### Card 5

#### Front

What is the special theory of relativity?