The unit of torque in SI units is:
Correct answer: D. Newton.meter
- A. Meter
- B. Newton
- C. Kilogram
- D. Newton.meter
Explanation
The newton·meter (N·m) is the SI unit of torque. Torque is the rotational equivalent of force, and it is calculated by multiplying the force applied to an object by the distance from the axis of rotation. The formula for torque is given by Torque = Force × Distance. In this formula, force is measured in newtons, and distance is measured in meters, resulting in the unit newton·meter for torque.
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About Measurements
Physical quantities are expressed with SI base and derived units, while measurement limits are described through accuracy, precision, absolute and percentage error, and significant figures. Dimensional analysis checks equations, derives relationships and detects inconsistent units, but it cannot determine numerical constants or distinguish quantities with identical dimensions.
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