SenseDisc Alcohol Gas

Photogate is a digital switch sensor. It is designed with infrared transmitter and receiver on both sides. If the receiver receives infrared ray, Photogate will stay at low (open) state. If the infrared ray is blocked, Photogate will stay at high (close) state.

Typical experiment

Explore the relationship between acceleration, pulling force and mass.

Pendulum

Forced vibration

Theorem of momentum

Verify the conservation of mechanical energy.

Explore the freely-falling body motion.