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

Practice Questions

Q1
The unit of force in the SI system is derived from which of the following? (2023)
  1. Mass and length
  2. Mass, length, and time
  3. Length and time
  4. Mass and time

Questions & Step-by-Step Solutions

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.
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