Description : Hard wood reinforced with metal at the ends, length 300 mm, with three ball bearing wheels, a quick release triple impulse spring pin, with two removable metal pins at each end to enable trolleys of equal mass to be stacked or to give anchoring points for accelerating cords.
ELASTIC CORDS
For accelerating trolleys, rubber length 175mm with eyelet at both ends.
TROLLEY MASSES
Steel mass equal to the mass of one trolley, with rubber pads. This reduces the number of actual trolleys.
SPRINGS - Steel springs to use with dynamic trolleys in the investigation of longitudinal wave motion, length x diameter 50 x 15 mm. Attached by spring holders to the front or rear of a dynamic trolley. In this way a number of trolleys can be joined together.
SPRING HOLDER
For attaching up to four springs side by side to the back and front of wooden trolleys. Metal plate 115x15 mm length xwidth with hole at each end and with two central side metal flaps.
TROLLEY RUNWAY
Gives a smooth flat easily inclinable surface for experiments.With metal side rails and plastic feet.Dimensions -1.5 x 0.3 M.
