Ambala, Haryana, India
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A pair of these trolleys are used for investigation on momentum velocity, acceleration etc. Both the trolleys are identical and each consists of a two rectangular wooden blocks 300 mm long moving on three low friction wheels. The trolley is fitted with spring loaded" impulse rod. Rod has three positions to provide different impulses which is triggered by a release pin, In the front of each trolley two holes are drilled and fitted with corks. With removable metal pins at each end to enable trolleys to be stacked or to provide anchoring points for accelerating cords.
(a) Trolleys with rubber wheels fitted with ball bearing(b) Trolleys with plastic wheels fitted on bushes
Board 1, 5 x 0.3 meter and thickness 18 mm of wrap resistant wood reinforced with metal angle side rails.
For performing experiments on acceleration. Light metal track 1720 x 150 mm with levelling feet, felt covered stops at either ends. An aluminium pulley 50 mm diameter, clamp for vibrator and automatic pen release. Aluminium trolley 690 x 80 x 65mm with three wheels mounted on ball bearings, five holes to accommodate cylindrical masses each approx. 350gm. Vibrates 600mm long with clamping marks at 5 and 8 Hz and pen holder with one each wood blocks 150 x 75 x 13mm, 150 x75 x 50mm without pen and paper.
