Which is a derived unit?

1.   ?    meter
2.   ?    second
3.   ?    kilogram
4.   ?    Newton

Which combination of fundamental unit can be used to express the weight of an object?

1.   ?    kilogram/second
2.   ?    kilogram x meter
3.   ?    kilogram x meter/second
4.   ?    kilogram x meter/second^2

Which of the following is a unit of force?

1.   ?    kilogram
2.   ?    Newton
3.   ?    kg-m/sec
4.   ?    m/sec^2