What do movable and fixed blocks have in common and how do they differ?

Movable and fixed blocks allow you to change the direction of the force. A movable block, unlike a stationary one, will give a double gain in strength, but lose 2 times in distance.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.