Force is defined as mass times acceleration. Starting with SI base
units, derive a unit for force. Using SI prefixes, suggest a convenient unit for the force resulting from a collision with a 10-ton
trailer truck moving at 55 mi per hour and for the force resulting
from the collision of a molecule of mass around 10 - 20 kgmoving
almost at the speed of light (3 * 108 m>s) with the wall of its container. (Assume a 1-second deceleration time for both collisions.)
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Master SI Units Concept 1 with a bite sized video explanation from Jules Bruno