Mathematical Pendulum

Mathematical Pendulum spesifikasi : Light barrier with counter– 1unit Power supply 5V DC/ With 4mm plug– 1unit Steel ball with eyelet d= 25mm– 1unit Steel ball with eyelet d= 32mm– 1unit Meter scale, demo, L= 1000 mm– 1unit Cursors, 2Pcs Plastic Red – 1unit Fishing line on spool – 1unit Right angle clamp pass– 2 unit Clamping pads on stem – 1unit Support rod – -, square, L= 1250mm– 1unit Tripod base – 1unit