Which of the following statements give characteristics of contact forces?
1. It appears between an object when it is in contact with some other object
2. It satisfies the third law of motion
3. It may appear between a pair of solid and fluid
Select the answer using the code given below:
1
1 and 3 only
2
2 and 3 only
3
1 and 2 only
4
1, 2 and 3