Demonstration Pulley Set
For demonstration of the construction, function, principle of
work and mechanical efficiency of pulley set
Consisting of single pulley(2 pcs),triple parellel pulleys(2
pcs) and triple series pulleys(2 pcs)
Maximum load: 2kg
Inclined Grooved Rail
To be used together with a simple timer for teaching of physics
in senior middle school.
For demonstration of experiments on regularity of uniform motion,measurement
of average velocity and instantaneous velocity,law of uniform
variable rectilinear motion, measurement of gravity of acceleration,
conversion and conservation of mechanical energy.
Consisting of rail(1),electromagnet(1),tripod seat (1) adjustable
support(1), photoelectric sensor(2) and steel ball(2)
Operating voltage of electromagnet :6v
Horizontal Parabolic Motion Experimental Apparatus
This apparatus can plot out exactly the locus of horizontally
parabolic motion of an object and estimate the initial velocity
of a paraboloid.
Centripetal Force Demonstrating Apparatus
Two speed change discs are of aluminum alloys
Transmission ratio of driving wheel and driven wheel of speed
change discs is 1:1,1:2 and 1:3 respectively.
Transmission error: 】0.5%
Indication error of centripetal force(under normal experiment
Diameter of steel ball and aluminum ball:
Mass of steel ball: 95.5＼2g
Mass of aluminum ball: 47.75＼1g