|
A gravimeter, sometimes referred to as unstable, where the force of gravity is maintained in an unstable equilibrium with the restoring force.
|
Related Terms |
CENTRE OF BUOYANCY
The center of the area of the underwater transverse or longitudinal section of a hull at a particular trim, hence the point at which the force of buoyancy is regarded to be acting vertically upwards. |
PNEUMATIC CONTROL VALVE
A valve in which the force of compressed air against a diaphragm is opposed by the force of a spring to control the area of the opening for a fluid stream.
|
PLATE TOWER
A distillation tower along the internal height of which is a series of transverse plates (bubble-cap or sieve) to force intimate contact between downward flowing liquid and upward flowing vapor.
|
PISTON GAGE SEE FREE-PISTON GAGE. PISTON METER
A variable-area, constanthead fluid-flow meter in which the position of the piston, moved by the buoyant force of the liquid, indicates the flow rate. Also known as piston-type area meter.
|
PINCH GRASP
A grasp by the human hand that involves the thumb and the facing side of the index finger at the knuckle; used to apply a large force to a small object. Also known as key grasp.
|
PHOTOELECTROMOTIVE FORCE
Electromotive force caused by photovoltaic action.
|
OUNCEDAL
A unit of force equal to the force which will impart an acceleration of 1 foot per second per second to a mass of 1 ounce; equal to 0.0086409346485 newton.
|
NEWTON'S LAW OF GRAVITATION
The law that every two particles of matter in the universe attract each other with a force that acts along bombardment is recorded. neutron logging See neutron well logging.
|
NEWTON-METER OF TORQUE
The unit of torque in the meter-kilogram-second system, equal to the torque produced by 1 newton of force acting at a perpendicular distance of 1 meter from an axis of rotation. Abbreviated N-m.
|
MOMENT SENSOR
A device that measures the force applied at a remote point in a robotic system.
|
