To lift a heavy crate, a man uses a block and tackle attached t... | Filo

to lift a heavy crate a man uses a block and tackle attached to the bottom of an i beam at hook b knowing that the moments about the y and the z axes of the force exerted at b by portion a b of the ro

7.4K views · 87 reactions | "Nirvik Lengden of Class 6 confidently delivered his speech on A Block and Tackle – a system that uses multiple pulleys, both fixed and movable, to reduce the force required to lift a load." | Reliance English Secondary School | Facebook