The unit of linear momentum is —

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

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 linear momentum of a body of mass m moving with velocity v is —

1. v/m
2. m/v
3. mv
4. 1/mv

Newton's first law of motion defines force :

1. quantitatively
2. qualitatively
3. both (a) and (b)
4. none of these