parallelogram of forces
(mechanics) A parallelogram, two adjacent sides of which are vectors having the same initial point and representing two forces acting simultaneously upon this point, such that the resultant of the forces is given by the diagonal of the parallelogram that passes through this point.
Third-person singular simple present indicative form of belike
(medicine) Of a patient, to suffer a sudden medical emergency (a code blue) such as cardiac arrest.
A lightweight fabric with a ribbed surface, generally made by combining silk and cotton, or silk and worsted warp and weft.
二つの力が一点に作用するときの合力を求めるには、力の平行四辺形を描き、その点を通る対角線を取ればよい。
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