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The SI unit of mechanical power is :

June 1, 2025 by rawan239

The SI unit of mechanical power is :

Joule

Watt

Newton-second

Joule-second

This question was previously asked in

UPSC CDS-1 – 2016

Download PDF Attempt Online

The SI unit of mechanical power is Watt.

Power is defined as the rate at which work is done or energy is transferred. In the International System of Units (SI), the unit of work or energy is the Joule (J), and the unit of time is the second (s). Therefore, the unit of power is Joule per second (J/s), which is defined as the Watt (W).

Joule is the SI unit of energy or work. Newton is the SI unit of force. Newton-second is the unit of impulse (force multiplied by time). Joule-second is not a standard unit for power or related quantities; it would represent energy multiplied by time.

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