Scelta multipla
Which of the following is a SI base unit of electric current?
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1. Intro to Physics Units
Introduction to Units
Scelta multipla
In the SI system, force is measured in which unit?
A
Joule (J)
B
Watt (W)
C
Pascal (Pa)
D
Newton (N)
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Guida verificata passo dopo passo1
Understand that force is a physical quantity that causes an object to accelerate when applied.
Recall that in the SI system, the unit of force is derived from the fundamental units of mass, length, and time.
Use Newton's second law of motion, which states that force \(F\) is the product of mass \(m\) and acceleration \(a\): \(F = m \times a\).
Since mass is measured in kilograms (kg) and acceleration in meters per second squared (m/s\^2), the unit of force is kg\(\cdot\) m/s\^2.
This derived unit of force is named the Newton (N), so force in the SI system is measured in Newtons.
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