Assertion: seesaw's member | /r/HasProperty | oscillated by force
Facets:
Source sentences:
text: In combination with a seesaw having an oscillatable vseat--carrying horizontal vmember, ya vertical member pivotally mounted at the Vful- `crum of the seesaw .independently of the horizontal member, the vertical member extending Vbelow the fulcrum :of the seesaw and providing a footrest at the lowerfend thereof-on which the feetof the rider may be placed and the vertical member extending above the fulcrum of the seesaw providing holds adapted to be grasped by the rider whereby the vertical member may be oscillated by forces on the upper and lower portions of the Vertical member, and means connecting the vertical member and the horizontal member for causing the horizontal member to be oscillated when the vertical member is 0scillated.
text: In combination with a seesaw having an oscillatable seat-carrying horizontal member, a vertical member pivotally mounted at the fulcrum of the seesaw independently of the horizontal member, the vertical member extending below the fulcrum of the seesaw and providing a footrest at the lower end thereof on which the feet of the rider may be placed and the vertical member extending above the fulcrum of the seesaw providing holds adapted vto be grasped by the rider whereby the vertical member may be oscillated by forces on the upper and lower portions of the Vertical member, means connected to the horizontal member opposite the seat end for at least partially counterbalancing the weight of the rider, and meansV connecting the vertical member and the horizontal member for causing the horizontal member to be oscillated when the vertical member is oscillated, the last-named means being connected to the horizontal member at a point spaced from the pivotal axis thereof, said last-named means being connected t0 the vertical member at a point spaced from the pivotal axis thereof.
text: vertical member pivotally mounted at the fulcrum of the seesaw independently of the horizontal member, the Vertical member extending below the fulcrum of the seesaw and providing a footrest at the lower end thereof on which the feet of the rider may be placed and the vertical member extending above the fulcrum of the seesaw providing holds adapted to be grasped by the rider whereby the vertical member may be oscillated by forces on the upper and lower portions of the vertical member, and means connecting the bottom portion of the vertical member and the side of the horizontal member opposite the seat side for causing the horizontal member to be oscillated when the vertical member is oscillated.