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100000 kg
Every pulley is designed to bear only so much weight. If you try to lift something heavier than the designed maximum load, the pulley will break.
Pulley X
Pulley is a noun, as in "the pulley helped lift those pallets over there".
10 N
100000 kg
The pulley was discovered to lift objects that would otherwise be too heavy to lift. Much in the way a crane is used to lift cargo onto ships.
The cabin of the lift is raised (and lowered) by a pulley. The pulley has a counterweight, which weighs as much as an empty cabin. Therefore, the wheel at the top of pulley does not need to lift the entire weight of the cabin - just the extra load in the cabin.
A pulley is used to move a heavy weight. You can use a pulley to lift something that you can't lift alone.
it is that a person does not ave to lift as much weight
Every pulley is designed to bear only so much weight. If you try to lift something heavier than the designed maximum load, the pulley will break.
Pulley is a noun, as in "the pulley helped lift those pallets over there".
Pulley X
25 newtons
a lot
10 N
a lot