Question

Define s.i unit of force .what do you understand by negative force

Answer 1

Answer:

SI -- Newton

negativ force means it applyed on opposit direction

Answer 2

Answer:

The Newton. The Newton is the SI unit of force. Strictly defined: the force that will give a mass of 1 kilogram an acceleration of 1 meter per second per second. It is not in everyday use.

It can negative. it means that the force is going to the opposite direction. ... A 'negative' force is one that is acting in the direction opposite to what you decide to be the positive direction (Usually, upward is +ve, downward is -ve). If the object is accelerating, then the situation is different.