1
They don´t need to touch an object to cause an effect on it
2
It is an invisible force. They can attract or repel objects
3
It slows down a movng object when it is in contact with another object
4
It is the force which attracts all objects towards the center of the Earth
5
They act when we make contact with an object
6
It is a pull or a push of an object
2
3
6
1
4