A pulley is a chain, belt or rope wrapped around a wheel. Pulleys are especially used for lifting weights. A pulley makes work easier by changing the direction or direction and size of the force. Examples: flagpoles, window blinds and cranes.
A pulley is a chain, belt or rope wrapped around a wheel. Pulleys are especially used for lifting weights. A pulley makes work easier by changing the direction or direction and size of the force. Examples: flagpoles, window blinds and cranes.
