Why are the action and reaction forces described by newton’s third law of motion excluded in the free-body diagram of an object?
a. they are equal and opposite, so they cancel one another.
b. they act on different objects, so they would not appear together.
c. they are in opposite directions, so only one would appear.
d. they do not happen at the same time, so only one would appear.
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The scalar triple product computes the magnitude m of the moment of a force vector f about a specified line. it is m = (r × f) · n, where r is the position vector from the line to the point of application of the force and n is a unit vector in the direction of the line. use matlab to compute the magnitude m for the case where f = [12, −5, 4] n, r = [−3, 5, 2] m, and n = [6, 5, −7].
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Why are the action and reaction forces described by newton’s third law of motion excluded in the fre...
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