Derived Units Puzzle
Try solving these questions! Click on "Hint" for help, and "Show Answer" to check.
Q1: What is the derived unit of force?
Formula: force = mass × acceleration
newton (N) = kg·m/s²
Q2: What is the SI unit of pressure?
Formula: pressure = force / area
pascal (Pa) = N/m²
Q3: What is the SI unit of power?
Formula: power = work / time
watt (W) = J/s
Q4: What is the SI unit of work?
Formula: work = force × displacement
joule (J) = N·m
Q5: What is the SI unit of density?
Formula: density = mass / volume
kilogram per cubic meter (kg/m³)
Q6: What is the derived unit of momentum?
Formula: momentum = mass × velocity
kilogram meter per second (kg·m/s)
Q7: What is the SI unit of acceleration?
Formula: acceleration = velocity / time
meter per second squared (m/s²)
Q8: What is the SI unit of electric charge?
Formula: charge = current × time
coulomb (C)
Q9: What is the SI unit of moment of force (torque)?
Formula: torque = force × distance
newton meter (N·m)
Q10: What is the SI unit of electrical resistance?
Formula: resistance = voltage / current
ohm (Ω)
Q11: What is the SI unit of electric potential?
Formula: potential = work / charge
volt (V) = J/C
Q12: What is the SI unit of frequency?
Formula: frequency = 1 / time period
hertz (Hz) = s⁻¹