Big Questions, Brighter Minds
★ 0

Can you make the digger dig?

Turn on the hydraulic pump, then move the arm.

PUMP Hydraulic pump Boom cylinder Bucket

What makes the arm move?

Hydraulics. The engine drives a pump. The pump pushes hydraulic fluid through hoses into cylinders. The cylinders push and pull the digger's arm.

⚙ Pump〰 Hoses↔ Cylinders🪣 Bucket▰ Tracks

⭐ Little Engineer challenge

What pushes the boom to make it move?