According to Newton's second law, the acceleration produced in a body is:

1. inversely proportional to the force applied on it
2. directly proportional to the force applied on it
3. not dependent on force
4. none of these

The unit of linear momentum is —

1. N s
2. kg m s^-2
3. N s^-1
4. kg² m s^-1

Linear momentum is a :

1. scalar quantity
2. vector quantity
3. directionless quantity
4. none of these