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2. Components 

 

 
 
 

 

Pendulum 

Fixed pendulum bob 

Pendulum rod 

Bearing fulcrum 

Latch-in positions 

Movable pendulum 
bob 

Securing screw 

Assembly screws 

 
 

Stand 

Stand board 

Positioning screws 

Stand rod 

Stand board 

Bearing plate 

Spirit level 

 
 

Floor cover 

 

 

 

 

 

 

 

 

Содержание 1018466

Страница 1: ... up the stand on solid level ground and fasten the assembly screws tightly Fasten the securing screw for the movable pendulum bob tightly so that the bob cannot move unchecked Use the adjustment screws in the base plate of the stand to align the bearing plate in such a way that the bearing axes of the pendulum bob can be even Always handle the pendulum with both hands when setting it up or adjusti...

Страница 2: ...endulum bob b Pendulum rod c Bearing fulcrum d Latch in positions e Movable pendulum bob f Securing screw g Assembly screws Stand h Stand board i Positioning screws j Stand rod k Stand board l Bearing plate m Spirit level n Floor cover ...

Страница 3: ...ration between bearing fulcra 80 cm Fixed pendulum bob 1 4 kg approx Movable pendulum bob 1 0 kg approx Pendulum deflection max 10 cm 5 Set up 5 1 Choice of set up location If the floor on which the equipment is set is springy then the oscillation energy is transferred to the whole stand and measurement errors can then arise Only set up and use the reversible pendulum on solid level ground On smoo...

Страница 4: ...blue are below their corresponding fulcra Attach the movable bob in the wedge shaped groove nearest to the fixed bob i e the low est one This position will subsequently be re ferred to as measuring point 1 even when the pendulum rod is suspended above the other fulcrum Measure the period of oscillation and make a note of it Keep moving the movable bob from one groove to the next and secure it meas...

Страница 5: ... due to earth s gravity 2 2 0 4 l g T Note To adjust the pendulum so that both peri ods of oscillation are exactly the same it may be necessary to turn the pendulum bob by 180 about the vertical and mount it on the pendulum rod that way round 7 Storage cleaning and disposal Keep the apparatus in a clean dry dust free place Do not use aggressive cleaning agents or sol vents to clean the apparatus I...

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