PHYSICS
JAMB 2008 - Question 2
Physics 2008 JAMB Past Questions - Question 2: I.Force (N) II.Torque(Nm-1)III.Current(A) IV.Power(W)Which of the above are teh correct SI units of the quantities indicated?
Choose the correct answers from the options given.
A:
B:
C:
D:
Correct Answer
D
Explanation
Torque has the same unit as moment = NM therefore I, iii and iv have correct unit
The correct SI units for the quantities indicated are as follows:
I. Force (N) - The SI unit for force is the Newton (N).
II. Torque (Nm^(-1)) - The SI unit for torque is the Newton meter per meter (Nm^(-1)) or simply the Newton meter (Nm).
III. Current (A) - The SI unit for electric current is the Ampere (A).
IV. Power (W) - The SI unit for power is the Watt (W).
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