The unit of force in the SI system is derived from which of the following? (2023

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Question: The unit of force in the SI system is derived from which of the following? (2023)

Options:

Correct Answer: Mass, length, and time

Exam Year: 2023

Solution:

The unit of force (Newton) is derived from mass, length, and time: kg·m/s².

The unit of force in the SI system is derived from which of the following? (2023)

The unit of force in the SI system is derived from which of the following? (2023)

Step 1: Understand that force is a physical quantity.
Step 2: Know that in the SI system, the unit of force is called the Newton (N).
Step 3: Recognize that the Newton is defined based on three fundamental quantities: mass, length, and time.
Step 4: Identify the units for these quantities: mass is measured in kilograms (kg), length in meters (m), and time in seconds (s).
Step 5: Learn the formula for force: Force = mass × acceleration.
Step 6: Understand that acceleration is measured in meters per second squared (m/s²).
Step 7: Combine these units: 1 Newton = 1 kg × 1 m/s², which simplifies to kg·m/s².

Unit of Force – The Newton is the SI unit of force, defined as the force required to accelerate a one-kilogram mass by one meter per second squared.
Derived Units – Understanding how units are derived from base units (mass, length, time) is crucial in physics.