93. The unit of force in SI system is- [BB-20]
ব্যাখ্যা: As per the second law of motion proposed by Newton, force is defined as the product of mass and acceleration. In both the Sl system and in MKS system, the unit of mass is kilogram and the unit of acceleration is m/s. Therefore, the unit of force is kg m/s, which is what we refer to as Newton or N.