The SI unit named for torque expresses as force times distance; this quantity is called what?

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Multiple Choice

The SI unit named for torque expresses as force times distance; this quantity is called what?

Explanation:
Torque is the turning effect a force produces when it acts at a distance from a pivot. The SI unit that expresses this rotational effect is the product of force and distance: newton-meter. This makes sense because force is measured in newtons and distance (the lever arm) in meters, and torque equals force times that distance. Note that the same unit, joule, also equals newton-meter, but joule describes energy (work) in linear motion, whereas in rotational contexts the product is referred to as torque. The other options correspond to energy or power and do not describe the turning effect of a force.

Torque is the turning effect a force produces when it acts at a distance from a pivot. The SI unit that expresses this rotational effect is the product of force and distance: newton-meter. This makes sense because force is measured in newtons and distance (the lever arm) in meters, and torque equals force times that distance. Note that the same unit, joule, also equals newton-meter, but joule describes energy (work) in linear motion, whereas in rotational contexts the product is referred to as torque. The other options correspond to energy or power and do not describe the turning effect of a force.

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