Puzzles on Derived quantities

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