ابحث
Pulley
01
بكرة
a wheel with a track where a rope or chain runs, used to lift heavy objects easily
مثال
The workers used a pulley to hoist the heavy beam into place.
He rigged up a simple pulley to raise the flag on the pole.
They installed a pulley in the garage to lift the engine out of the car.
She demonstrated how the pulley could reduce the effort needed to move the weight.
The hook on the end of the rope attached securely to the pulley.
