Which of the following is the correct unit for measuring force in the SI system?

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The correct unit for measuring force in the SI system is the Newton. This unit is defined as the force required to accelerate a mass of one kilogram at the rate of one meter per second squared. The Newton is a derived unit in the International System of Units (SI), and it incorporates the fundamental units of mass (kilograms), length (meters), and time (seconds).

In contrast, the Pascal (Pa) is a unit of pressure that measures force per unit area, thereby not representing force itself. The kilogram is a measure of mass, not force, while the Joule is a unit of energy, defined as the work done when a force of one Newton is applied over a distance of one meter. Thus, the Newton uniquely represents the measurement of force in the context of physics.

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