She took out the life-saving rope she always kept from her backpack, tied it around the waist of the large rock that was about to be pried open, and then pulled the rope to a tree at the foot of the mountain, where there was a gentle slope.
Qiao Xuejun pulled the rope around the trunks of three large trees before returning to the steel rod with the rope.
System: "Host, you are really smart. It's the principle of lever and pulley!"
Qiao Xuejun smiled and said, "If you can also use the power cheat, I won't have to bother with this."
Qiao Xuejun took two deep breaths and pressed down hard on the steel rod in his hand.
The stone is not big, weighing about 300 kilograms. Theoretically, it only takes about 25 kilograms of force to pry it with a lever. But the actual operation requires more force.
"Crack." The stone made a dull friction sound when it was pried open.
Qiao Xuejun continued to press down with all her strength, but the steel rod was hard and even so, it did not bend at all.
As reliable as its owner.
After the steel rod was pressed down and the stone was pried open, Qiao Xuejun stepped on the rod with one foot and freed one hand to pull the rope.
The rope was pulled suddenly, and the originally loose rock rolled towards the big tree.
Qiao Xuejun tried her best, but suddenly lost the resistance of the big rock, and sat down in the snow out of control.
"Ouch." My waist was sprained.
"Host!" The system became nervous, "Your waist won't be broken, will it?"
Qiao Xuejun's face froze: "...Don't curse me. Thank you."
She rubbed her waist and felt nothing was wrong, so she stood up again.
She looked down and saw that the stone rolled to the gentle slope in front of the big tree and stopped, just as she expected.
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