Assertion: gyroscope's motion | /r/AtLocation | right angles
Facets:
value: for the same reason
type: CAUSE
value: to the line
type: LOCATION
Source sentences:
text: For the same reason as in the case of the gyroscope the actual motion of the earth's axis is at right angles to the line joining the earth and the attracting centre, and without going into the details of the mathematical processes involved, we may say that the ultimate mean effect will be to cause the pole P of the earth to move at right angles to the circle joining it to the pole of the ecliptic.