The standard (SI) unit of force is _____.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. newton.
The standard (SI) unit of force is the newton, symbolized as N. It is named after the renowned scientist Sir Isaac Newton for his work in classical mechanics. One newton is defined as the amount of force required to accelerate a one-kilogram mass by one metre per second squared (1 N = 1 kg·m/s²). This unit is widely used in physics and engineering to measure the strength of a force acting on an object, ensuring consistency across scientific disciplines.