The pulley is a wheel with two raised edges for the rope to fit through, you can use it in different ways, lifting heavy loads, transmit power and also apply forces!
The Ancient Egyptians used the pulley to make pyramids that normal people could carry, the stone blocks were over 10 tons (that's a lot)!
By Jeffrey Lin
1 comments:
Wow! Jeffrey! I do like the way you hooked me in to read this information!I am curious how do pulleys transmit power and apply forces? Can you add this in to your post?
Fantatstic work.
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